115712137 has 2 divisors, whose sum is σ = 115712138. Its totient is φ = 115712136.

The previous prime is 115712131. The next prime is 115712141. The reversal of 115712137 is 731217511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100881936 + 14830201 = 10044^2 + 3851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115712137 is a prime.

It is not a weakly prime, because it can be changed into another prime (115712131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57856068 + 57856069.

It is an arithmetic number, because the mean of its divisors is an integer number (57856069).

Almost surely, 2^115712137 is an apocalyptic number.

It is an amenable number.

115712137 is a deficient number, since it is larger than the sum of its proper divisors (1).

115712137 is an equidigital number, since it uses as much as digits as its factorization.

115712137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1470, while the sum is 28.

The square root of 115712137 is about 10756.9576089153. The cubic root of 115712137 is about 487.2961402288.

Adding to 115712137 its reverse (731217511), we get a palindrome (846929648).

The spelling of 115712137 in words is "one hundred fifteen million, seven hundred twelve thousand, one hundred thirty-seven".