113991504 has 40 divisors (see below), whose sum is σ = 321250272. Its totient is φ = 34542720.

The previous prime is 113991491. The next prime is 113991509. The reversal of 113991504 is 405199311.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113991509) 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, 107419 + ... + 108474.

Almost surely, 2^113991504 is an apocalyptic number.

It is an amenable number.

113991504 is an abundant number, since it is smaller than the sum of its proper divisors (207258768).

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

113991504 is a wasteful number, since it uses less digits than its factorization.

113991504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215915 (or 215909 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 113991504 is about 10676.6803829655. The cubic root of 113991504 is about 484.8687128259.

The spelling of 113991504 in words is "one hundred thirteen million, nine hundred ninety-one thousand, five hundred four".