113308157 has 2 divisors, whose sum is σ = 113308158. Its totient is φ = 113308156.

The previous prime is 113308147. The next prime is 113308159. The reversal of 113308157 is 751803311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80658361 + 32649796 = 8981^2 + 5714^2 .

It is a cyclic number.

It is not a de Polignac number, because 113308157 - 2⁴ = 113308141 is a prime.

Together with 113308159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113308159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56654078 + 56654079.

It is an arithmetic number, because the mean of its divisors is an integer number (56654079).

Almost surely, 2^113308157 is an apocalyptic number.

It is an amenable number.

113308157 is a deficient number, since it is larger than the sum of its proper divisors (1).

113308157 is an equidigital number, since it uses as much as digits as its factorization.

113308157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 113308157 is about 10644.6304304095. The cubic root of 113308157 is about 483.8978864445.

It can be divided in two parts, 11330 and 8157, that multiplied together give a triangular number (92418810 = T₁₃₅₉₅).

The spelling of 113308157 in words is "one hundred thirteen million, three hundred eight thousand, one hundred fifty-seven".