131576279 has 2 divisors, whose sum is σ = 131576280. Its totient is φ = 131576278.

The previous prime is 131576267. The next prime is 131576287. The reversal of 131576279 is 972675131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131576279 - 2⁸ = 131576023 is a 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 (131576479) 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, 65788139 + 65788140.

It is an arithmetic number, because the mean of its divisors is an integer number (65788140).

Almost surely, 2^131576279 is an apocalyptic number.

131576279 is a deficient number, since it is larger than the sum of its proper divisors (1).

131576279 is an equidigital number, since it uses as much as digits as its factorization.

131576279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 41.

The square root of 131576279 is about 11470.6703814555. The cubic root of 131576279 is about 508.6189458528.

The spelling of 131576279 in words is "one hundred thirty-one million, five hundred seventy-six thousand, two hundred seventy-nine".