133432332 has 48 divisors (see below), whose sum is σ = 341736192. Its totient is φ = 40185280.

The previous prime is 133432291. The next prime is 133432333. The reversal of 133432332 is 233234331.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (133432333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19018 + ... + 25070.

It is an arithmetic number, because the mean of its divisors is an integer number (7119504).

Almost surely, 2^133432332 is an apocalyptic number.

133432332 is a gapful number since it is divisible by the number (12) 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 133432332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170868096).

133432332 is an abundant number, since it is smaller than the sum of its proper divisors (208303860).

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

133432332 is a wasteful number, since it uses less digits than its factorization.

133432332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6238 (or 6236 counting only the distinct ones).

The product of its digits is 3888, while the sum is 24.

The square root of 133432332 is about 11551.2913563809. The cubic root of 133432332 is about 510.9993630021. Note that the first 3 decimals are identical.

Adding to 133432332 its reverse (233234331), we get a palindrome (366666663).

The spelling of 133432332 in words is "one hundred thirty-three million, four hundred thirty-two thousand, three hundred thirty-two".