131895984 has 80 divisors (see below), whose sum is σ = 387903744. Its totient is φ = 38227200.

The previous prime is 131895983. The next prime is 131895989. The reversal of 131895984 is 489598131.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (131895983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6714 + ... + 17574.

Almost surely, 2^131895984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131895984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193951872).

131895984 is an abundant number, since it is smaller than the sum of its proper divisors (256007760).

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

131895984 is a wasteful number, since it uses less digits than its factorization.

131895984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10906 (or 10900 counting only the distinct ones).

The product of its digits is 311040, while the sum is 48.

The square root of 131895984 is about 11484.5976855961. The cubic root of 131895984 is about 509.0305613222.

The spelling of 131895984 in words is "one hundred thirty-one million, eight hundred ninety-five thousand, nine hundred eighty-four".