131475224 has 8 divisors (see below), whose sum is σ = 246516060. Its totient is φ = 65737608.

The previous prime is 131475217. The next prime is 131475271. The reversal of 131475224 is 422574131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8217194 + ... + 8217209.

Almost surely, 2^131475224 is an apocalyptic number.

It is an amenable number.

131475224 is a deficient number, since it is larger than the sum of its proper divisors (115040836).

131475224 is a wasteful number, since it uses less digits than its factorization.

131475224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16434409 (or 16434405 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 131475224 is about 11466.2646053543. The cubic root of 131475224 is about 508.4887003603.

The spelling of 131475224 in words is "one hundred thirty-one million, four hundred seventy-five thousand, two hundred twenty-four".