130257137 has 2 divisors, whose sum is σ = 130257138. Its totient is φ = 130257136.

The previous prime is 130257121. The next prime is 130257139. The reversal of 130257137 is 731752031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106481761 + 23775376 = 10319^2 + 4876^2 .

It is an emirp because it is prime and its reverse (731752031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130257137 - 2⁴ = 130257121 is a prime.

Together with 130257139, 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 (130257139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65128568 + 65128569.

It is an arithmetic number, because the mean of its divisors is an integer number (65128569).

Almost surely, 2^130257137 is an apocalyptic number.

It is an amenable number.

130257137 is a deficient number, since it is larger than the sum of its proper divisors (1).

130257137 is an equidigital number, since it uses as much as digits as its factorization.

130257137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 130257137 is about 11413.0248838772. The cubic root of 130257137 is about 506.9134829230.

The spelling of 130257137 in words is "one hundred thirty million, two hundred fifty-seven thousand, one hundred thirty-seven".