131916 has 12 divisors (see below), whose sum is σ = 307832. Its totient is φ = 43968.

The previous prime is 131909. The next prime is 131927. The reversal of 131916 is 619131.

It is a happy number.

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

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 131892 and 131901.

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, 5485 + ... + 5508.

2¹³¹⁹¹⁶ is an apocalyptic number.

It is an amenable number.

131916 is an abundant number, since it is smaller than the sum of its proper divisors (175916).

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

131916 is a wasteful number, since it uses less digits than its factorization.

131916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000 (or 10998 counting only the distinct ones).

The product of its digits is 162, while the sum is 21.

The square root of 131916 is about 363.2024228994. The cubic root of 131916 is about 50.9056309491.

The spelling of 131916 in words is "one hundred thirty-one thousand, nine hundred sixteen".