131422666624 has 32 divisors (see below), whose sum is σ = 264135601440. Its totient is φ = 65129809920.

The previous prime is 131422666591. The next prime is 131422666657. The reversal of 131422666624 is 426666224131.

It is an interprime number because it is at equal distance from previous prime (131422666591) and next prime (131422666657).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4528632 + ... + 4557559.

It is an arithmetic number, because the mean of its divisors is an integer number (8254237545).

Almost surely, 2^131422666624 is an apocalyptic number.

It is an amenable number.

131422666624 is an abundant number, since it is smaller than the sum of its proper divisors (132712934816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131422666624 is an equidigital number, since it uses as much as digits as its factorization.

131422666624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9086318 (or 9086306 counting only the distinct ones).

The product of its digits is 497664, while the sum is 43.

The spelling of 131422666624 in words is "one hundred thirty-one billion, four hundred twenty-two million, six hundred sixty-six thousand, six hundred twenty-four".