130387057 has 2 divisors, whose sum is σ = 130387058. Its totient is φ = 130387056.

The previous prime is 130387013. The next prime is 130387079. The reversal of 130387057 is 750783031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130325056 + 62001 = 11416^2 + 249^2 .

It is a cyclic number.

It is not a de Polignac number, because 130387057 - 2¹¹ = 130385009 is a prime.

It is not a weakly prime, because it can be changed into another prime (130387007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65193528 + 65193529.

It is an arithmetic number, because the mean of its divisors is an integer number (65193529).

Almost surely, 2^130387057 is an apocalyptic number.

It is an amenable number.

130387057 is a deficient number, since it is larger than the sum of its proper divisors (1).

130387057 is an equidigital number, since it uses as much as digits as its factorization.

130387057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 130387057 is about 11418.7152079382. The cubic root of 130387057 is about 507.0819607442.

The spelling of 130387057 in words is "one hundred thirty million, three hundred eighty-seven thousand, fifty-seven".