130937657 has 2 divisors, whose sum is σ = 130937658. Its totient is φ = 130937656.

The previous prime is 130937647. The next prime is 130937663. The reversal of 130937657 is 756739031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92236816 + 38700841 = 9604^2 + 6221^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130937657 is a prime.

It is a Chen prime.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (130937627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65468828 + 65468829.

It is an arithmetic number, because the mean of its divisors is an integer number (65468829).

Almost surely, 2^130937657 is an apocalyptic number.

It is an amenable number.

130937657 is a deficient number, since it is larger than the sum of its proper divisors (1).

130937657 is an equidigital number, since it uses as much as digits as its factorization.

130937657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119070, while the sum is 41.

The square root of 130937657 is about 11442.7993515573. The cubic root of 130937657 is about 507.7947289472.

The spelling of 130937657 in words is "one hundred thirty million, nine hundred thirty-seven thousand, six hundred fifty-seven".