131727554991499 has 2 divisors, whose sum is σ = 131727554991500. Its totient is φ = 131727554991498.

The previous prime is 131727554991479. The next prime is 131727554991607. The reversal of 131727554991499 is 994199455727131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131727554991499 - 2²¹ = 131727552894347 is a prime.

It is not a weakly prime, because it can be changed into another prime (131727554991419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65863777495749 + 65863777495750.

It is an arithmetic number, because the mean of its divisors is an integer number (65863777495750).

Almost surely, 2^{131727554991499} is an apocalyptic number.

131727554991499 is a deficient number, since it is larger than the sum of its proper divisors (1).

131727554991499 is an equidigital number, since it uses as much as digits as its factorization.

131727554991499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 771573600, while the sum is 76.

The spelling of 131727554991499 in words is "one hundred thirty-one trillion, seven hundred twenty-seven billion, five hundred fifty-four million, nine hundred ninety-one thousand, four hundred ninety-nine".