130615637 has 2 divisors, whose sum is σ = 130615638. Its totient is φ = 130615636.

The previous prime is 130615621. The next prime is 130615669. The reversal of 130615637 is 736516031.

It is an a-pointer prime, because the next prime (130615669) can be obtained adding 130615637 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80120401 + 50495236 = 8951^2 + 7106^2 .

It is a cyclic number.

It is not a de Polignac number, because 130615637 - 2⁴ = 130615621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130615687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65307818 + 65307819.

It is an arithmetic number, because the mean of its divisors is an integer number (65307819).

Almost surely, 2^130615637 is an apocalyptic number.

It is an amenable number.

130615637 is a deficient number, since it is larger than the sum of its proper divisors (1).

130615637 is an equidigital number, since it uses as much as digits as its factorization.

130615637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 130615637 is about 11428.7198320722. The cubic root of 130615637 is about 507.3781075407.

The spelling of 130615637 in words is "one hundred thirty million, six hundred fifteen thousand, six hundred thirty-seven".