132981732 has 36 divisors (see below), whose sum is σ = 362007100. Its totient is φ = 40917312.

The previous prime is 132981713. The next prime is 132981743. The reversal of 132981732 is 237189231.

It can be written as a sum of positive squares in 2 ways, for example, as 78428736 + 54552996 = 8856^2 + 7386^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141607 + ... + 142542.

Almost surely, 2^132981732 is an apocalyptic number.

132981732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

132981732 is an abundant number, since it is smaller than the sum of its proper divisors (229025368).

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

132981732 is a wasteful number, since it uses less digits than its factorization.

132981732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284172 (or 284167 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 132981732 is about 11531.7705492262. The cubic root of 132981732 is about 510.4235005951.

The spelling of 132981732 in words is "one hundred thirty-two million, nine hundred eighty-one thousand, seven hundred thirty-two".