133324513 has 8 divisors (see below), whose sum is σ = 157625280. Its totient is φ = 110337360.

The previous prime is 133324511. The next prime is 133324517. The reversal of 133324513 is 315423331.

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

It is not a de Polignac number, because 133324513 - 2¹ = 133324511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133324511) 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 7 ways as a sum of consecutive naturals, for example, 328183 + ... + 328588.

It is an arithmetic number, because the mean of its divisors is an integer number (19703160).

Almost surely, 2^133324513 is an apocalyptic number.

It is an amenable number.

133324513 is a deficient number, since it is larger than the sum of its proper divisors (24300767).

133324513 is an equidigital number, since it uses as much as digits as its factorization.

133324513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656807.

The product of its digits is 3240, while the sum is 25.

The square root of 133324513 is about 11546.6234458390. The cubic root of 133324513 is about 510.8616895062.

Adding to 133324513 its reverse (315423331), we get a palindrome (448747844).

The spelling of 133324513 in words is "one hundred thirty-three million, three hundred twenty-four thousand, five hundred thirteen".