130629979 has 2 divisors, whose sum is σ = 130629980. Its totient is φ = 130629978.

The previous prime is 130629971. The next prime is 130630033. The reversal of 130629979 is 979926031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130629979 - 2³ = 130629971 is a prime.

It is not a weakly prime, because it can be changed into another prime (130629971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65314989 + 65314990.

It is an arithmetic number, because the mean of its divisors is an integer number (65314990).

Almost surely, 2^130629979 is an apocalyptic number.

130629979 is a deficient number, since it is larger than the sum of its proper divisors (1).

130629979 is an equidigital number, since it uses as much as digits as its factorization.

130629979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 130629979 is about 11429.3472692013. The cubic root of 130629979 is about 507.3966774217.

The spelling of 130629979 in words is "one hundred thirty million, six hundred twenty-nine thousand, nine hundred seventy-nine".