113151139 has 4 divisors (see below), whose sum is σ = 113241024. Its totient is φ = 113061256.

The previous prime is 113151121. The next prime is 113151149. The reversal of 113151139 is 931151311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931151311 = 461 ⋅2019851.

It is a cyclic number.

It is not a de Polignac number, because 113151139 - 2⁵ = 113151107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113151149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43027 + ... + 45580.

It is an arithmetic number, because the mean of its divisors is an integer number (28310256).

Almost surely, 2^113151139 is an apocalyptic number.

113151139 is a deficient number, since it is larger than the sum of its proper divisors (89885).

113151139 is an equidigital number, since it uses as much as digits as its factorization.

113151139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89884.

The product of its digits is 405, while the sum is 25.

The square root of 113151139 is about 10637.2524178004. The cubic root of 113151139 is about 483.6742608780.

The spelling of 113151139 in words is "one hundred thirteen million, one hundred fifty-one thousand, one hundred thirty-nine".