133225321 has 8 divisors (see below), whose sum is σ = 144761600. Its totient is φ = 122141520.

The previous prime is 133225289. The next prime is 133225327. The reversal of 133225321 is 123522331.

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

It is a cyclic number.

It is not a de Polignac number, because 133225321 - 2⁵ = 133225289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133225292 and 133225301.

It is not an unprimeable number, because it can be changed into a prime (133225327) 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, 112506 + ... + 113683.

It is an arithmetic number, because the mean of its divisors is an integer number (18095200).

Almost surely, 2^133225321 is an apocalyptic number.

It is an amenable number.

133225321 is a deficient number, since it is larger than the sum of its proper divisors (11536279).

133225321 is a wasteful number, since it uses less digits than its factorization.

133225321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226239.

The product of its digits is 1080, while the sum is 22.

The square root of 133225321 is about 11542.3273649641. The cubic root of 133225321 is about 510.7349662114.

Adding to 133225321 its reverse (123522331), we get a palindrome (256747652).

The spelling of 133225321 in words is "one hundred thirty-three million, two hundred twenty-five thousand, three hundred twenty-one".