113531904 has 132 divisors (see below), whose sum is σ = 333808384. Its totient is φ = 37158912.

The previous prime is 113531879. The next prime is 113531921. The reversal of 113531904 is 409135311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 893889 + ... + 894015.

Almost surely, 2^113531904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113531904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166904192).

113531904 is an abundant number, since it is smaller than the sum of its proper divisors (220276480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113531904 is a wasteful number, since it uses less digits than its factorization.

113531904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 113531904 is about 10655.1351000351. The cubic root of 113531904 is about 484.2161910126.

The spelling of 113531904 in words is "one hundred thirteen million, five hundred thirty-one thousand, nine hundred four".