113512390 has 16 divisors (see below), whose sum is σ = 210913920. Its totient is φ = 43940160.

The previous prime is 113512387. The next prime is 113512397. The reversal of 113512390 is 93215311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113512397) 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 7 ways as a sum of consecutive naturals, for example, 182775 + ... + 183394.

It is an arithmetic number, because the mean of its divisors is an integer number (13182120).

Almost surely, 2^113512390 is an apocalyptic number.

113512390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113512390 is a deficient number, since it is larger than the sum of its proper divisors (97401530).

113512390 is a wasteful number, since it uses less digits than its factorization.

113512390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366207.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 113512390 is about 10654.2193519751. The cubic root of 113512390 is about 484.1884468695.

The spelling of 113512390 in words is "one hundred thirteen million, five hundred twelve thousand, three hundred ninety".