115333139 has 2 divisors, whose sum is σ = 115333140. Its totient is φ = 115333138.

The previous prime is 115333093. The next prime is 115333157. The reversal of 115333139 is 931333511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115333139 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (115333199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57666569 + 57666570.

It is an arithmetic number, because the mean of its divisors is an integer number (57666570).

Almost surely, 2^115333139 is an apocalyptic number.

115333139 is a deficient number, since it is larger than the sum of its proper divisors (1).

115333139 is an equidigital number, since it uses as much as digits as its factorization.

115333139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3645, while the sum is 29.

The square root of 115333139 is about 10739.3267479856. The cubic root of 115333139 is about 486.7635361580.

The spelling of 115333139 in words is "one hundred fifteen million, three hundred thirty-three thousand, one hundred thirty-nine".