133221299 has 8 divisors (see below), whose sum is σ = 141160320. Its totient is φ = 125293696.

The previous prime is 133221289. The next prime is 133221301. The reversal of 133221299 is 992122331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133221299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133221289) 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, 37982 + ... + 41340.

It is an arithmetic number, because the mean of its divisors is an integer number (17645040).

Almost surely, 2^133221299 is an apocalyptic number.

133221299 is a deficient number, since it is larger than the sum of its proper divisors (7939021).

133221299 is a wasteful number, since it uses less digits than its factorization.

133221299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709.

The product of its digits is 5832, while the sum is 32.

The square root of 133221299 is about 11542.1531353556. The cubic root of 133221299 is about 510.7298265560.

The spelling of 133221299 in words is "one hundred thirty-three million, two hundred twenty-one thousand, two hundred ninety-nine".