131744501877617 has 2 divisors, whose sum is σ = 131744501877618. Its totient is φ = 131744501877616.

The previous prime is 131744501877601. The next prime is 131744501877643. The reversal of 131744501877617 is 716778105447131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117144277469041 + 14600224408576 = 10823321^2 + 3821024^2 .

It is a cyclic number.

It is not a de Polignac number, because 131744501877617 - 2⁴ = 131744501877601 is a prime.

It is a super-2 number, since 2×131744501877617² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131744501877617.

It is not a weakly prime, because it can be changed into another prime (131744501877647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65872250938808 + 65872250938809.

It is an arithmetic number, because the mean of its divisors is an integer number (65872250938809).

Almost surely, 2^{131744501877617} is an apocalyptic number.

It is an amenable number.

131744501877617 is a deficient number, since it is larger than the sum of its proper divisors (1).

131744501877617 is an equidigital number, since it uses as much as digits as its factorization.

131744501877617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27659520, while the sum is 62.

The spelling of 131744501877617 in words is "one hundred thirty-one trillion, seven hundred forty-four billion, five hundred one million, eight hundred seventy-seven thousand, six hundred seventeen".