132544020 has 72 divisors (see below), whose sum is σ = 431724384. Its totient is φ = 30295104.

The previous prime is 132543997. The next prime is 132544039. The reversal of 132544020 is 20445231.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 19602 + ... + 25481.

It is an arithmetic number, because the mean of its divisors is an integer number (5996172).

Almost surely, 2^132544020 is an apocalyptic number.

132544020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132544020 is an abundant number, since it is smaller than the sum of its proper divisors (299180364).

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

132544020 is a wasteful number, since it uses less digits than its factorization.

132544020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45109 (or 45100 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 132544020 is about 11512.7763810473. The cubic root of 132544020 is about 509.8628620122.

Adding to 132544020 its reverse (20445231), we get a palindrome (152989251).

The spelling of 132544020 in words is "one hundred thirty-two million, five hundred forty-four thousand, twenty".