131574506 has 24 divisors (see below), whose sum is σ = 241670880. Its totient is φ = 53420472.

The previous prime is 131574493. The next prime is 131574523. The reversal of 131574506 is 605475131.

It is a super-3 number, since 3×131574506³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33470 + ... + 37193.

It is an arithmetic number, because the mean of its divisors is an integer number (10069620).

Almost surely, 2^131574506 is an apocalyptic number.

131574506 is a deficient number, since it is larger than the sum of its proper divisors (110096374).

131574506 is a wasteful number, since it uses less digits than its factorization.

131574506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70698 (or 70691 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 131574506 is about 11470.5930971332. The cubic root of 131574506 is about 508.6166612834.

The spelling of 131574506 in words is "one hundred thirty-one million, five hundred seventy-four thousand, five hundred six".