131562163727 has 2 divisors, whose sum is σ = 131562163728. Its totient is φ = 131562163726.

The previous prime is 131562163721. The next prime is 131562163739. The reversal of 131562163727 is 727361265131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131562163727 - 2¹⁰ = 131562162703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131562163721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65781081863 + 65781081864.

It is an arithmetic number, because the mean of its divisors is an integer number (65781081864).

Almost surely, 2^131562163727 is an apocalyptic number.

131562163727 is a deficient number, since it is larger than the sum of its proper divisors (1).

131562163727 is an equidigital number, since it uses as much as digits as its factorization.

131562163727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 44.

The spelling of 131562163727 in words is "one hundred thirty-one billion, five hundred sixty-two million, one hundred sixty-three thousand, seven hundred twenty-seven".