131744321117872 has 40 divisors (see below), whose sum is σ = 255364949126480. Its totient is φ = 65843693372160.

The previous prime is 131744321117711. The next prime is 131744321117879. The reversal of 131744321117872 is 278711123447131.

It is a super-2 number, since 2×131744321117872² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131744321117879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518443198 + ... + 518697250.

It is an arithmetic number, because the mean of its divisors is an integer number (6384123728162).

Almost surely, 2^{131744321117872} is an apocalyptic number.

It is an amenable number.

131744321117872 is a deficient number, since it is larger than the sum of its proper divisors (123620628008608).

131744321117872 is a wasteful number, since it uses less digits than its factorization.

131744321117872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267941 (or 267935 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 52.

The spelling of 131744321117872 in words is "one hundred thirty-one trillion, seven hundred forty-four billion, three hundred twenty-one million, one hundred seventeen thousand, eight hundred seventy-two".