132133220 has 36 divisors (see below), whose sum is σ = 292868604. Its totient is φ = 50068800.

The previous prime is 132133207. The next prime is 132133223. The reversal of 132133220 is 22331231.

It can be written as a sum of positive squares in 2 ways, for example, as 18113536 + 114019684 = 4256^2 + 10678^2 .

It is not an unprimeable number, because it can be changed into a prime (132133223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1931 + ... + 16370.

It is an arithmetic number, because the mean of its divisors is an integer number (8135239).

Almost surely, 2^132133220 is an apocalyptic number.

132133220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132133220 is an abundant number, since it is smaller than the sum of its proper divisors (160735384).

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

132133220 is a wasteful number, since it uses less digits than its factorization.

132133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18348 (or 18327 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 132133220 is about 11494.9214873352. The cubic root of 132133220 is about 509.3355694571.

Adding to 132133220 its reverse (22331231), we get a palindrome (154464451).

The spelling of 132133220 in words is "one hundred thirty-two million, one hundred thirty-three thousand, two hundred twenty".