133324232 has 8 divisors (see below), whose sum is σ = 249982950. Its totient is φ = 66662112.

The previous prime is 133324193. The next prime is 133324237. The reversal of 133324232 is 232423331.

It can be written as a sum of positive squares in only one way, i.e., 128006596 + 5317636 = 11314^2 + 2306^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 133324198 and 133324207.

It is not an unprimeable number, because it can be changed into a prime (133324237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8332757 + ... + 8332772.

Almost surely, 2^133324232 is an apocalyptic number.

It is an amenable number.

133324232 is a deficient number, since it is larger than the sum of its proper divisors (116658718).

133324232 is a wasteful number, since it uses less digits than its factorization.

133324232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16665535 (or 16665531 counting only the distinct ones).

The product of its digits is 2592, while the sum is 23.

The square root of 133324232 is about 11546.6112777732. The cubic root of 133324232 is about 510.8613306019.

Adding to 133324232 its reverse (232423331), we get a palindrome (365747563).

Subtracting 133324232 from its reverse (232423331), we obtain a palindrome (99099099).

The spelling of 133324232 in words is "one hundred thirty-three million, three hundred twenty-four thousand, two hundred thirty-two".