130504279 has 2 divisors, whose sum is σ = 130504280. Its totient is φ = 130504278.

The previous prime is 130504259. The next prime is 130504307. The reversal of 130504279 is 972405031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130504279 - 2⁹ = 130503767 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130504279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130504219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65252139 + 65252140.

It is an arithmetic number, because the mean of its divisors is an integer number (65252140).

Almost surely, 2^130504279 is an apocalyptic number.

130504279 is a deficient number, since it is larger than the sum of its proper divisors (1).

130504279 is an equidigital number, since it uses as much as digits as its factorization.

130504279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 130504279 is about 11423.8469440027. The cubic root of 130504279 is about 507.2338760205.

The spelling of 130504279 in words is "one hundred thirty million, five hundred four thousand, two hundred seventy-nine".