113939320 has 64 divisors (see below), whose sum is σ = 282009600. Its totient is φ = 41086080.

The previous prime is 113939311. The next prime is 113939339. The reversal of 113939320 is 23939311.

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, 54861 + ... + 56899.

It is an arithmetic number, because the mean of its divisors is an integer number (4406400).

Almost surely, 2^113939320 is an apocalyptic number.

113939320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113939320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141004800).

113939320 is an abundant number, since it is smaller than the sum of its proper divisors (168070280).

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

113939320 is a wasteful number, since it uses less digits than its factorization.

113939320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188 (or 2184 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 113939320 is about 10674.2362724459. The cubic root of 113939320 is about 484.7947124251.

Subtracting from 113939320 its reverse (23939311), we obtain a palindrome (90000009).

The spelling of 113939320 in words is "one hundred thirteen million, nine hundred thirty-nine thousand, three hundred twenty".