The Qur'an is comprised of 114 surahs (chapters) containing over six thousand ayahs (verses). The surahs were not arranged according to the sequence in which they were revealed; rather, they were arranged according to the Prophet's instructions, with the longest chapter (al-Baqarah, The Cow) near the beginning.

t. e. For the convenience of those who read the Quran in a week the text may be divided into seven portions, each known as Manzil. [1] The following division to 7 equal portions is by Hamzah az-Zaiyyat (d.156/772): [1] Al-Fatiha (chapter 1) through an-Nisa (chapter 4) consisting of 4 chapters ( Surah ). Al-Ma'idah (chapter 5) through at-Tawbah

The current order of the Qur'an as a complete book of the verses was dictated by the prophet (pbuh) who told scribes and companions where each verse and section belonged. Every year, the angel Jibreel would recite the Qur'an to the prophet (pbuh) and make him study and recite it in its current order. So the order the Qur'an is in, is divinely
Also, the surahs are organized by a length while the longest surahs are located first in Mushaf, and the shortest ones are at the last. 7. Broken letters in Quran. There are 29 surahs in Quran that begin with broken Arabic letters like الر، طس, حم, الم. For example, look at the beginning of surah hud. Alif, Lam, Ra.
The chapters or surahs are of unequal length; the shortest surah (Al-Kawthar) has only three verses while the longest (Al-Baqara) contains 286 verses. What is the second longest surah in the Quran? Al-Baqara, alternatively transliterated Al-Baqarah (Arabic: البقرة‎, 'al-baqarah; lit. . 84 121 460 309 314 367 455 199

7 longest surahs in quran