131790012 has 96 divisors (see below), whose sum is σ = 329978880. Its totient is φ = 40884480.

The previous prime is 131789989. The next prime is 131790037. The reversal of 131790012 is 210097131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1668189 + ... + 1668267.

It is an arithmetic number, because the mean of its divisors is an integer number (3437280).

Almost surely, 2^131790012 is an apocalyptic number.

131790012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131790012 is an abundant number, since it is smaller than the sum of its proper divisors (198188868).

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

131790012 is a wasteful number, since it uses less digits than its factorization.

131790012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 131790012 is about 11479.9831010329. The cubic root of 131790012 is about 508.8941977062.

The spelling of 131790012 in words is "one hundred thirty-one million, seven hundred ninety thousand, twelve".