132081840 has 400 divisors, whose sum is σ = 534742560. Its totient is φ = 29859840.

The previous prime is 132081839. The next prime is 132081871. The reversal of 132081840 is 48180231.

It is a super-2 number, since 2×132081840² = 34891224915571200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1211706 + ... + 1211814.

Almost surely, 2^132081840 is an apocalyptic number.

132081840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132081840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267371280).

132081840 is an abundant number, since it is smaller than the sum of its proper divisors (402660720).

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

132081840 is a wasteful number, since it uses less digits than its factorization.

132081840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 132081840 is about 11492.6863700355. The cubic root of 132081840 is about 509.2695425228.

The spelling of 132081840 in words is "one hundred thirty-two million, eighty-one thousand, eight hundred forty".