133324236 has 18 divisors (see below), whose sum is σ = 337014132. Its totient is φ = 44441400.

The previous prime is 133324193. The next prime is 133324237. The reversal of 133324236 is 632423331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

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 (133324237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1851690 + ... + 1851761.

Almost surely, 2^133324236 is an apocalyptic number.

It is an amenable number.

133324236 is an abundant number, since it is smaller than the sum of its proper divisors (203689896).

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

133324236 is a wasteful number, since it uses less digits than its factorization.

133324236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703461 (or 3703456 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 133324236 is about 11546.6114509842. The cubic root of 133324236 is about 510.8613357109.

Adding to 133324236 its reverse (632423331), we get a palindrome (765747567).

The spelling of 133324236 in words is "one hundred thirty-three million, three hundred twenty-four thousand, two hundred thirty-six".