131340132 has 72 divisors (see below), whose sum is σ = 413929152. Its totient is φ = 34113600.

The previous prime is 131340109. The next prime is 131340151. The reversal of 131340132 is 231043131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20919 + ... + 26462.

It is an arithmetic number, because the mean of its divisors is an integer number (5749016).

Almost surely, 2^131340132 is an apocalyptic number.

131340132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131340132 is an abundant number, since it is smaller than the sum of its proper divisors (282589020).

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

131340132 is a wasteful number, since it uses less digits than its factorization.

131340132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47409 (or 47404 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 131340132 is about 11460.3722452632. The cubic root of 131340132 is about 508.3144817399.

Adding to 131340132 its reverse (231043131), we get a palindrome (362383263).

The spelling of 131340132 in words is "one hundred thirty-one million, three hundred forty thousand, one hundred thirty-two".