131405137422 has 32 divisors (see below), whose sum is σ = 299675067552. Its totient is φ = 38053976064.

The previous prime is 131405137417. The next prime is 131405137429. The reversal of 131405137422 is 224731504131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131405137429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49548123 + ... + 49550774.

It is an arithmetic number, because the mean of its divisors is an integer number (9364845861).

Almost surely, 2^131405137422 is an apocalyptic number.

131405137422 is an abundant number, since it is smaller than the sum of its proper divisors (168269930130).

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

131405137422 is a wasteful number, since it uses less digits than its factorization.

131405137422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99098932.

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 131405137422 in words is "one hundred thirty-one billion, four hundred five million, one hundred thirty-seven thousand, four hundred twenty-two".