130457279 has 2 divisors, whose sum is σ = 130457280. Its totient is φ = 130457278.

The previous prime is 130457273. The next prime is 130457297. The reversal of 130457279 is 972754031.

Together with next prime (130457297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130457279 - 2⁴ = 130457263 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130457273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65228639 + 65228640.

It is an arithmetic number, because the mean of its divisors is an integer number (65228640).

Almost surely, 2^130457279 is an apocalyptic number.

130457279 is a deficient number, since it is larger than the sum of its proper divisors (1).

130457279 is an equidigital number, since it uses as much as digits as its factorization.

130457279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 130457279 is about 11421.7896583679. The cubic root of 130457279 is about 507.1729767283.

The spelling of 130457279 in words is "one hundred thirty million, four hundred fifty-seven thousand, two hundred seventy-nine".