131924 has 24 divisors (see below), whose sum is σ = 258720. Its totient is φ = 58464.

The previous prime is 131909. The next prime is 131927. The reversal of 131924 is 429131.

It is a junction number, because it is equal to n+sod(n) for n = 131896 and 131905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131927) by changing a digit.

131924 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207 + ... + 2265.

It is an arithmetic number, because the mean of its divisors is an integer number (10780).

2¹³¹⁹²⁴ is an apocalyptic number.

It is an amenable number.

131924 is a deficient number, since it is larger than the sum of its proper divisors (126796).

131924 is a wasteful number, since it uses less digits than its factorization.

131924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 117 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 131924 is about 363.2134358748. The cubic root of 131924 is about 50.9066599798.

The spelling of 131924 in words is "one hundred thirty-one thousand, nine hundred twenty-four".