131507354591 has 2 divisors, whose sum is σ = 131507354592. Its totient is φ = 131507354590.

The previous prime is 131507354557. The next prime is 131507354647. The reversal of 131507354591 is 195453705131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131507354591 - 2¹⁰ = 131507353567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131507354501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65753677295 + 65753677296.

It is an arithmetic number, because the mean of its divisors is an integer number (65753677296).

Almost surely, 2^131507354591 is an apocalyptic number.

131507354591 is a deficient number, since it is larger than the sum of its proper divisors (1).

131507354591 is an equidigital number, since it uses as much as digits as its factorization.

131507354591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 283500, while the sum is 44.

The spelling of 131507354591 in words is "one hundred thirty-one billion, five hundred seven million, three hundred fifty-four thousand, five hundred ninety-one".