1213605736936 has 16 divisors (see below), whose sum is σ = 2275562066400. Its totient is φ = 606789185904.

The previous prime is 1213605736921. The next prime is 1213605736969. The reversal of 1213605736936 is 6396375063121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1328340 + ... + 2047363.

It is an arithmetic number, because the mean of its divisors is an integer number (142222629150).

Almost surely, 2^{1213605736936} is an apocalyptic number.

It is an amenable number.

1213605736936 is a deficient number, since it is larger than the sum of its proper divisors (1061956329464).

1213605736936 is a wasteful number, since it uses less digits than its factorization.

1213605736936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420648 (or 3420644 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 52.

The spelling of 1213605736936 in words is "one trillion, two hundred thirteen billion, six hundred five million, seven hundred thirty-six thousand, nine hundred thirty-six".