113153840 has 20 divisors (see below), whose sum is σ = 263082864. Its totient is φ = 45261504.

The previous prime is 113153839. The next prime is 113153857. The reversal of 113153840 is 48351311.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707132 + ... + 707291.

Almost surely, 2^113153840 is an apocalyptic number.

113153840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113153840 is an abundant number, since it is smaller than the sum of its proper divisors (149929024).

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

113153840 is a wasteful number, since it uses less digits than its factorization.

113153840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414436 (or 1414430 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 113153840 is about 10637.3793765194. The cubic root of 113153840 is about 483.6781093995.

The spelling of 113153840 in words is "one hundred thirteen million, one hundred fifty-three thousand, eight hundred forty".