115318739 has 2 divisors, whose sum is σ = 115318740. Its totient is φ = 115318738.

The previous prime is 115318681. The next prime is 115318759. The reversal of 115318739 is 937813511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115318739 is a prime.

It is not a weakly prime, because it can be changed into another prime (115318759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57659369 + 57659370.

It is an arithmetic number, because the mean of its divisors is an integer number (57659370).

Almost surely, 2^115318739 is an apocalyptic number.

115318739 is a deficient number, since it is larger than the sum of its proper divisors (1).

115318739 is an equidigital number, since it uses as much as digits as its factorization.

115318739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 38.

The square root of 115318739 is about 10738.6562939690. The cubic root of 115318739 is about 486.7432769139.

The spelling of 115318739 in words is "one hundred fifteen million, three hundred eighteen thousand, seven hundred thirty-nine".