113612738 has 6 divisors (see below), whose sum is σ = 170441721. Its totient is φ = 56798832.

The previous prime is 113612699. The next prime is 113612743. The reversal of 113612738 is 837216311.

It can be written as a sum of positive squares in 2 ways, for example, as 113060689 + 552049 = 10633^2 + 743^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7537.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11306 + ... + 18842.

Almost surely, 2^113612738 is an apocalyptic number.

113612738 is a deficient number, since it is larger than the sum of its proper divisors (56828983).

113612738 is an frugal number, since it uses more digits than its factorization.

113612738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15076 (or 7539 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 113612738 is about 10658.9276196060. The cubic root of 113612738 is about 484.3310833746.

Multiplying 113612738 by its sum of digits (32), we get a square (3635607616 = 60296²).

The spelling of 113612738 in words is "one hundred thirteen million, six hundred twelve thousand, seven hundred thirty-eight".