131379477727 has 2 divisors, whose sum is σ = 131379477728. Its totient is φ = 131379477726.

The previous prime is 131379477637. The next prime is 131379477767. The reversal of 131379477727 is 727774973131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131379477727 - 2²³ = 131371089119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131379477767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65689738863 + 65689738864.

It is an arithmetic number, because the mean of its divisors is an integer number (65689738864).

Almost surely, 2^131379477727 is an apocalyptic number.

131379477727 is a deficient number, since it is larger than the sum of its proper divisors (1).

131379477727 is an equidigital number, since it uses as much as digits as its factorization.

131379477727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10890936, while the sum is 58.

The spelling of 131379477727 in words is "one hundred thirty-one billion, three hundred seventy-nine million, four hundred seventy-seven thousand, seven hundred twenty-seven".