115131739 has 2 divisors, whose sum is σ = 115131740. Its totient is φ = 115131738.

The previous prime is 115131733. The next prime is 115131749. The reversal of 115131739 is 937131511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115131739 - 2⁹ = 115131227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115131739.

It is not a weakly prime, because it can be changed into another prime (115131733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57565869 + 57565870.

It is an arithmetic number, because the mean of its divisors is an integer number (57565870).

Almost surely, 2^115131739 is an apocalyptic number.

115131739 is a deficient number, since it is larger than the sum of its proper divisors (1).

115131739 is an equidigital number, since it uses as much as digits as its factorization.

115131739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2835, while the sum is 31.

The square root of 115131739 is about 10729.9458992112. The cubic root of 115131739 is about 486.4800348262.

The spelling of 115131739 in words is "one hundred fifteen million, one hundred thirty-one thousand, seven hundred thirty-nine".