130299979 has 2 divisors, whose sum is σ = 130299980. Its totient is φ = 130299978.

The previous prime is 130299973. The next prime is 130299989. The reversal of 130299979 is 979992031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130299979 - 2⁵ = 130299947 is a prime.

It is not a weakly prime, because it can be changed into another prime (130299973) 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, 65149989 + 65149990.

It is an arithmetic number, because the mean of its divisors is an integer number (65149990).

Almost surely, 2^130299979 is an apocalyptic number.

130299979 is a deficient number, since it is larger than the sum of its proper divisors (1).

130299979 is an equidigital number, since it uses as much as digits as its factorization.

130299979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 275562, while the sum is 49.

The square root of 130299979 is about 11414.9016202506. The cubic root of 130299979 is about 506.9690520008.

The spelling of 130299979 in words is "one hundred thirty million, two hundred ninety-nine thousand, nine hundred seventy-nine".