113120139 has 16 divisors (see below), whose sum is σ = 166239360. Its totient is φ = 67848960.

The previous prime is 113120123. The next prime is 113120153. The reversal of 113120139 is 931021311.

It is not a de Polignac number, because 113120139 - 2⁴ = 113120123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113120639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14469 + ... + 20870.

It is an arithmetic number, because the mean of its divisors is an integer number (10389960).

Almost surely, 2^113120139 is an apocalyptic number.

113120139 is a deficient number, since it is larger than the sum of its proper divisors (53119221).

113120139 is a wasteful number, since it uses less digits than its factorization.

113120139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35450.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 113120139 is about 10635.7951747859. The cubic root of 113120139 is about 483.6300861228.

The spelling of 113120139 in words is "one hundred thirteen million, one hundred twenty thousand, one hundred thirty-nine".