113326137 has 12 divisors (see below), whose sum is σ = 166782564. Its totient is φ = 74124960.

The previous prime is 113326123. The next prime is 113326139. The reversal of 113326137 is 731623311.

113326137 is a `hidden beast` number, since 1 + 13 + 32 + 613 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29713401 + 83612736 = 5451^2 + 9144^2 .

It is not a de Polignac number, because 113326137 - 2²³ = 104937529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113326137.

It is not an unprimeable number, because it can be changed into a prime (113326139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118314 + ... + 119267.

It is an arithmetic number, because the mean of its divisors is an integer number (13898547).

Almost surely, 2^113326137 is an apocalyptic number.

It is an amenable number.

113326137 is a deficient number, since it is larger than the sum of its proper divisors (53456427).

113326137 is a wasteful number, since it uses less digits than its factorization.

113326137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237640 (or 237637 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 113326137 is about 10645.4749541765. The cubic root of 113326137 is about 483.9234804354.

Adding to 113326137 its reverse (731623311), we get a palindrome (844949448).

The spelling of 113326137 in words is "one hundred thirteen million, three hundred twenty-six thousand, one hundred thirty-seven".