131791152 has 30 divisors (see below), whose sum is σ = 340666068. Its totient is φ = 43903872.

The previous prime is 131791147. The next prime is 131791159. The reversal of 131791152 is 251197131.

It is not an unprimeable number, because it can be changed into a prime (131791159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78708 + ... + 80364.

Almost surely, 2^131791152 is an apocalyptic number.

131791152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131791152 is an abundant number, since it is smaller than the sum of its proper divisors (208874916).

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

131791152 is an frugal number, since it uses more digits than its factorization.

131791152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325 (or 1662 counting only the distinct ones).

The product of its digits is 1890, while the sum is 30.

The square root of 131791152 is about 11480.0327525665. The cubic root of 131791152 is about 508.8956650347.

The spelling of 131791152 in words is "one hundred thirty-one million, seven hundred ninety-one thousand, one hundred fifty-two".