131573424 has 40 divisors (see below), whose sum is σ = 350866432. Its totient is φ = 42442560.

The previous prime is 131573411. The next prime is 131573441. The reversal of 131573424 is 424375131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131573391 and 131573400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42724 + ... + 45699.

Almost surely, 2^131573424 is an apocalyptic number.

It is an amenable number.

131573424 is an abundant number, since it is smaller than the sum of its proper divisors (219293008).

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

131573424 is a wasteful number, since it uses less digits than its factorization.

131573424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88465 (or 88459 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 131573424 is about 11470.5459329537. The cubic root of 131573424 is about 508.6152670803.

The spelling of 131573424 in words is "one hundred thirty-one million, five hundred seventy-three thousand, four hundred twenty-four".