115330139 has 2 divisors, whose sum is σ = 115330140. Its totient is φ = 115330138.

The previous prime is 115330121. The next prime is 115330181. The reversal of 115330139 is 931033511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115330139 - 2⁸ = 115329883 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115330639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57665069 + 57665070.

It is an arithmetic number, because the mean of its divisors is an integer number (57665070).

Almost surely, 2^115330139 is an apocalyptic number.

115330139 is a deficient number, since it is larger than the sum of its proper divisors (1).

115330139 is an equidigital number, since it uses as much as digits as its factorization.

115330139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 26.

The square root of 115330139 is about 10739.1870735173. The cubic root of 115330139 is about 486.7593156212.

The spelling of 115330139 in words is "one hundred fifteen million, three hundred thirty thousand, one hundred thirty-nine".