133324243 has 8 divisors (see below), whose sum is σ = 144496688. Its totient is φ = 122282784.

The previous prime is 133324237. The next prime is 133324253. The reversal of 133324243 is 342423331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-133324243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133324253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30621 + ... + 34702.

It is an arithmetic number, because the mean of its divisors is an integer number (18062086).

Almost surely, 2^133324243 is an apocalyptic number.

133324243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

133324243 is a deficient number, since it is larger than the sum of its proper divisors (11172445).

133324243 is a wasteful number, since it uses less digits than its factorization.

133324243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65493.

The product of its digits is 5184, while the sum is 25.

The square root of 133324243 is about 11546.6117541035. The cubic root of 133324243 is about 510.8613446515.

Adding to 133324243 its reverse (342423331), we get a palindrome (475747574).

The spelling of 133324243 in words is "one hundred thirty-three million, three hundred twenty-four thousand, two hundred forty-three".