132821232 has 40 divisors (see below), whose sum is σ = 343608960. Its totient is φ = 44210880.

The previous prime is 132821179. The next prime is 132821287. The reversal of 132821232 is 232128231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42607 + ... + 45617.

It is an arithmetic number, because the mean of its divisors is an integer number (8590224).

Almost surely, 2^132821232 is an apocalyptic number.

132821232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

132821232 is an abundant number, since it is smaller than the sum of its proper divisors (210787728).

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

132821232 is a wasteful number, since it uses less digits than its factorization.

132821232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941 (or 3935 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 132821232 is about 11524.8094127408. The cubic root of 132821232 is about 510.2180689887.

Adding to 132821232 its reverse (232128231), we get a palindrome (364949463).

The spelling of 132821232 in words is "one hundred thirty-two million, eight hundred twenty-one thousand, two hundred thirty-two".