113639531756 has 12 divisors (see below), whose sum is σ = 199127793480. Its totient is φ = 56745876480.

The previous prime is 113639531737. The next prime is 113639531821. The reversal of 113639531756 is 657135936311.

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, 18468890 + ... + 18475041.

It is an arithmetic number, because the mean of its divisors is an integer number (16593982790).

Almost surely, 2^113639531756 is an apocalyptic number.

It is an amenable number.

113639531756 is a deficient number, since it is larger than the sum of its proper divisors (85488261724).

113639531756 is a wasteful number, since it uses less digits than its factorization.

113639531756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36944704 (or 36944702 counting only the distinct ones).

The product of its digits is 1530900, while the sum is 50.

The spelling of 113639531756 in words is "one hundred thirteen billion, six hundred thirty-nine million, five hundred thirty-one thousand, seven hundred fifty-six".