113815937 has 6 divisors (see below), whose sum is σ = 118980162. Its totient is φ = 108866912.

The previous prime is 113815907. The next prime is 113815939. The reversal of 113815937 is 739518311.

It can be written as a sum of positive squares in only one way, i.e., 113401201 + 414736 = 10649^2 + 644^2 .

It is not a de Polignac number, because 113815937 - 2¹⁶ = 113750401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113815937.

It is not an unprimeable number, because it can be changed into a prime (113815939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107048 + ... + 108105.

It is an arithmetic number, because the mean of its divisors is an integer number (19830027).

Almost surely, 2^113815937 is an apocalyptic number.

It is an amenable number.

113815937 is a deficient number, since it is larger than the sum of its proper divisors (5164225).

113815937 is an equidigital number, since it uses as much as digits as its factorization.

113815937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215199 (or 215176 counting only the distinct ones).

The product of its digits is 22680, while the sum is 38.

The square root of 113815937 is about 10668.4552302571. The cubic root of 113815937 is about 484.6196571704.

The spelling of 113815937 in words is "one hundred thirteen million, eight hundred fifteen thousand, nine hundred thirty-seven".