131495137679 has 2 divisors, whose sum is σ = 131495137680. Its totient is φ = 131495137678.

The previous prime is 131495137633. The next prime is 131495137811. The reversal of 131495137679 is 976731594131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131495137679 - 2³⁶ = 62775660943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131495137619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65747568839 + 65747568840.

It is an arithmetic number, because the mean of its divisors is an integer number (65747568840).

Almost surely, 2^131495137679 is an apocalyptic number.

131495137679 is a deficient number, since it is larger than the sum of its proper divisors (1).

131495137679 is an equidigital number, since it uses as much as digits as its factorization.

131495137679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4286520, while the sum is 56.

The spelling of 131495137679 in words is "one hundred thirty-one billion, four hundred ninety-five million, one hundred thirty-seven thousand, six hundred seventy-nine".