131372539663 has 32 divisors (see below), whose sum is σ = 138570983936. Its totient is φ = 124439390208.

The previous prime is 131372539637. The next prime is 131372539723. The reversal of 131372539663 is 366935273131.

It is a 11-Lehmer number, since φ(131372539663) divides (131372539663-1)¹¹.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131372539663 is a prime.

It is the 362454-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131372539063) by changing a digit.

It is a nontrivial repunit in base 362453.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49629406 + ... + 49632052.

It is an arithmetic number, because the mean of its divisors is an integer number (4330343248).

Almost surely, 2^131372539663 is an apocalyptic number.

131372539663 is a deficient number, since it is larger than the sum of its proper divisors (7198444273).

131372539663 is a wasteful number, since it uses less digits than its factorization.

131372539663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023.

The product of its digits is 1837080, while the sum is 49.

The spelling of 131372539663 in words is "one hundred thirty-one billion, three hundred seventy-two million, five hundred thirty-nine thousand, six hundred sixty-three".