113779157 has 4 divisors (see below), whose sum is σ = 114952236. Its totient is φ = 112606080.

The previous prime is 113779153. The next prime is 113779177. The reversal of 113779157 is 751977311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 751977311 = 379 ⋅1984109.

It can be written as a sum of positive squares in 2 ways, for example, as 56640676 + 57138481 = 7526^2 + 7559^2 .

It is a cyclic number.

It is not a de Polignac number, because 113779157 - 2² = 113779153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113779153) 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, 586394 + ... + 586587.

It is an arithmetic number, because the mean of its divisors is an integer number (28738059).

Almost surely, 2^113779157 is an apocalyptic number.

It is an amenable number.

113779157 is a deficient number, since it is larger than the sum of its proper divisors (1173079).

113779157 is an equidigital number, since it uses as much as digits as its factorization.

113779157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173078.

The product of its digits is 46305, while the sum is 41.

The square root of 113779157 is about 10666.7313175124. The cubic root of 113779157 is about 484.5674493930.

The spelling of 113779157 in words is "one hundred thirteen million, seven hundred seventy-nine thousand, one hundred fifty-seven".