131753696491 has 2 divisors, whose sum is σ = 131753696492. Its totient is φ = 131753696490.

The previous prime is 131753696447. The next prime is 131753696519. The reversal of 131753696491 is 194696357131.

It is a strong prime.

It is an emirp because it is prime and its reverse (194696357131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131753696491 - 2²⁷ = 131619478763 is a prime.

It is not a weakly prime, because it can be changed into another prime (131753696401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65876848245 + 65876848246.

It is an arithmetic number, because the mean of its divisors is an integer number (65876848246).

Almost surely, 2^131753696491 is an apocalyptic number.

131753696491 is a deficient number, since it is larger than the sum of its proper divisors (1).

131753696491 is an equidigital number, since it uses as much as digits as its factorization.

131753696491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3674160, while the sum is 55.

The spelling of 131753696491 in words is "one hundred thirty-one billion, seven hundred fifty-three million, six hundred ninety-six thousand, four hundred ninety-one".