131724056 has 16 divisors (see below), whose sum is σ = 247320240. Its totient is φ = 65772000.

The previous prime is 131724031. The next prime is 131724079. The reversal of 131724056 is 650427131.

131724056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131724056² = 34702453858182272, which contains 22 as substring.

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, 4820 + ... + 16931.

It is an arithmetic number, because the mean of its divisors is an integer number (15457515).

Almost surely, 2^131724056 is an apocalyptic number.

It is an amenable number.

131724056 is a deficient number, since it is larger than the sum of its proper divisors (115596184).

131724056 is a wasteful number, since it uses less digits than its factorization.

131724056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22514 (or 22510 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 131724056 is about 11477.1100892167. The cubic root of 131724056 is about 508.8092893331.

The spelling of 131724056 in words is "one hundred thirty-one million, seven hundred twenty-four thousand, fifty-six".