131504124 has 12 divisors (see below), whose sum is σ = 306842984. Its totient is φ = 43834704.

The previous prime is 131504099. The next prime is 131504159. The reversal of 131504124 is 421405131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 131504124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5479327 + ... + 5479350.

Almost surely, 2^131504124 is an apocalyptic number.

It is an amenable number.

131504124 is an abundant number, since it is smaller than the sum of its proper divisors (175338860).

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

131504124 is a wasteful number, since it uses less digits than its factorization.

131504124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10958684 (or 10958682 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 131504124 is about 11467.5247547149. The cubic root of 131504124 is about 508.5259551535.

Adding to 131504124 its reverse (421405131), we get a palindrome (552909255).

The spelling of 131504124 in words is "one hundred thirty-one million, five hundred four thousand, one hundred twenty-four".