113149972 has 48 divisors (see below), whose sum is σ = 225227520. Its totient is φ = 49344768.

The previous prime is 113149901. The next prime is 113149987. The reversal of 113149972 is 279941311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105913 + ... + 106975.

It is an arithmetic number, because the mean of its divisors is an integer number (4692240).

Almost surely, 2^113149972 is an apocalyptic number.

It is an amenable number.

113149972 is a deficient number, since it is larger than the sum of its proper divisors (112077548).

113149972 is a wasteful number, since it uses less digits than its factorization.

113149972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 1190 counting only the distinct ones).

The product of its digits is 13608, while the sum is 37.

The square root of 113149972 is about 10637.1975632683. The cubic root of 113149972 is about 483.6725980583.

The spelling of 113149972 in words is "one hundred thirteen million, one hundred forty-nine thousand, nine hundred seventy-two".