131392287727 has 2 divisors, whose sum is σ = 131392287728. Its totient is φ = 131392287726.

The previous prime is 131392287721. The next prime is 131392287739. The reversal of 131392287727 is 727782293131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131392287727 - 2⁷ = 131392287599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131392287721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65696143863 + 65696143864.

It is an arithmetic number, because the mean of its divisors is an integer number (65696143864).

Almost surely, 2^131392287727 is an apocalyptic number.

131392287727 is a deficient number, since it is larger than the sum of its proper divisors (1).

131392287727 is an equidigital number, since it uses as much as digits as its factorization.

131392287727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1778112, while the sum is 52.

The spelling of 131392287727 in words is "one hundred thirty-one billion, three hundred ninety-two million, two hundred eighty-seven thousand, seven hundred twenty-seven".