These 4000 Divya Prabhandam is sub-divided into 4 prabhandams called (i) Mudhal Ayiram [Mudhal - first, Ayiram - thousand] (ii) Erandam Ayiram [Erandam - 2nd] (iii) Munram Ayiram [Munram - 3rd] (iv) Nangam Ayiram [Nangam - 4th] with 947, 1134, 817, 1102 on respective prabhandams. The 2nd thousand[1134] was fully sung by 'Thiru mangai alwar' and the 4th[1102] was fully sung by 'Nammalwar'.
A detailed view on 4000 divyaprabandams