131568472 has 64 divisors (see below), whose sum is σ = 290848320. Its totient is φ = 54632448.

The previous prime is 131568449. The next prime is 131568497. The reversal of 131568472 is 274865131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287668 + ... + 288124.

It is an arithmetic number, because the mean of its divisors is an integer number (4544505).

Almost surely, 2^131568472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131568472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145424160).

131568472 is an abundant number, since it is smaller than the sum of its proper divisors (159279848).

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

131568472 is a wasteful number, since it uses less digits than its factorization.

131568472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 616 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 131568472 is about 11470.3300737163. The cubic root of 131568472 is about 508.6088861200.

The spelling of 131568472 in words is "one hundred thirty-one million, five hundred sixty-eight thousand, four hundred seventy-two".