131624252 has 12 divisors (see below), whose sum is σ = 235243680. Its totient is φ = 64411776.

The previous prime is 131624203. The next prime is 131624261. The reversal of 131624252 is 252426131.

It is a happy number.

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, 349877 + ... + 350252.

It is an arithmetic number, because the mean of its divisors is an integer number (19603640).

Almost surely, 2^131624252 is an apocalyptic number.

It is an amenable number.

131624252 is a deficient number, since it is larger than the sum of its proper divisors (103619428).

131624252 is a wasteful number, since it uses less digits than its factorization.

131624252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700180 (or 700178 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 131624252 is about 11472.7613066777. The cubic root of 131624252 is about 508.6807528696.

The spelling of 131624252 in words is "one hundred thirty-one million, six hundred twenty-four thousand, two hundred fifty-two".