113859920 has 30 divisors (see below), whose sum is σ = 264946398. Its totient is φ = 45505792.

The previous prime is 113859919. The next prime is 113859929. The reversal of 113859920 is 29958311.

It can be written as a sum of positive squares in 3 ways, for example, as 12334144 + 101525776 = 3512^2 + 10076^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113859929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94844 + ... + 96036.

Almost surely, 2^113859920 is an apocalyptic number.

113859920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113859920 is an abundant number, since it is smaller than the sum of its proper divisors (151086478).

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

113859920 is an frugal number, since it uses more digits than its factorization.

113859920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 113859920 is about 10670.5163886290. The cubic root of 113859920 is about 484.6820745608.

The spelling of 113859920 in words is "one hundred thirteen million, eight hundred fifty-nine thousand, nine hundred twenty".