131912 has 16 divisors (see below), whose sum is σ = 270000. Its totient is φ = 59920.

The previous prime is 131909. The next prime is 131927. The reversal of 131912 is 219131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662 + ... + 837.

It is an arithmetic number, because the mean of its divisors is an integer number (16875).

2¹³¹⁹¹² is an apocalyptic number.

It is an amenable number.

131912 is an abundant number, since it is smaller than the sum of its proper divisors (138088).

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

131912 is a wasteful number, since it uses less digits than its factorization.

131912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516 (or 1512 counting only the distinct ones).

The product of its digits is 54, while the sum is 17.

The square root of 131912 is about 363.1969162865. The cubic root of 131912 is about 50.9051164182.

It can be divided in two parts, 1319 and 12, that added together give a palindrome (1331).

The spelling of 131912 in words is "one hundred thirty-one thousand, nine hundred twelve".