113131994 has 16 divisors (see below), whose sum is σ = 172060200. Its totient is φ = 55782144.

The previous prime is 113131951. The next prime is 113131999. The reversal of 113131994 is 499131311.

It can be written as a sum of positive squares in 4 ways, for example, as 30085225 + 83046769 = 5485^2 + 9113^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 113131994.

It is not an unprimeable number, because it can be changed into a prime (113131999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100724 + ... + 101840.

Almost surely, 2^113131994 is an apocalyptic number.

113131994 is a deficient number, since it is larger than the sum of its proper divisors (58928206).

113131994 is a wasteful number, since it uses less digits than its factorization.

113131994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777.

The product of its digits is 2916, while the sum is 32.

The square root of 113131994 is about 10636.3524762956. The cubic root of 113131994 is about 483.6469803571.

The spelling of 113131994 in words is "one hundred thirteen million, one hundred thirty-one thousand, nine hundred ninety-four".