115530137 has 2 divisors, whose sum is σ = 115530138. Its totient is φ = 115530136.

The previous prime is 115530131. The next prime is 115530139. The reversal of 115530137 is 731035511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114404416 + 1125721 = 10696^2 + 1061^2 .

It is a cyclic number.

It is not a de Polignac number, because 115530137 - 2⁶ = 115530073 is a prime.

Together with 115530139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115530131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57765068 + 57765069.

It is an arithmetic number, because the mean of its divisors is an integer number (57765069).

Almost surely, 2^115530137 is an apocalyptic number.

It is an amenable number.

115530137 is a deficient number, since it is larger than the sum of its proper divisors (1).

115530137 is an equidigital number, since it uses as much as digits as its factorization.

115530137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 115530137 is about 10748.4946387855. The cubic root of 115530137 is about 487.0405218795.

Adding to 115530137 its reverse (731035511), we get a palindrome (846565648).

The spelling of 115530137 in words is "one hundred fifteen million, five hundred thirty thousand, one hundred thirty-seven".