130768637 has 2 divisors, whose sum is σ = 130768638. Its totient is φ = 130768636.

The previous prime is 130768613. The next prime is 130768663. The reversal of 130768637 is 736867031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110796676 + 19971961 = 10526^2 + 4469^2 .

It is a cyclic number.

It is not a de Polignac number, because 130768637 - 2⁸ = 130768381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130768594 and 130768603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130768667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65384318 + 65384319.

It is an arithmetic number, because the mean of its divisors is an integer number (65384319).

Almost surely, 2^130768637 is an apocalyptic number.

It is an amenable number.

130768637 is a deficient number, since it is larger than the sum of its proper divisors (1).

130768637 is an equidigital number, since it uses as much as digits as its factorization.

130768637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 130768637 is about 11435.4115361014. The cubic root of 130768637 is about 507.5761403876.

The spelling of 130768637 in words is "one hundred thirty million, seven hundred sixty-eight thousand, six hundred thirty-seven".