133233329 has 2 divisors, whose sum is σ = 133233330. Its totient is φ = 133233328.

The previous prime is 133233299. The next prime is 133233349. The reversal of 133233329 is 923332331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132135025 + 1098304 = 11495^2 + 1048^2 .

It is a cyclic number.

It is not a de Polignac number, because 133233329 - 2¹² = 133229233 is a prime.

It is a super-2 number, since 2×133233329² = 35502239912844482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133233349) 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 as a sum of consecutive naturals, namely, 66616664 + 66616665.

It is an arithmetic number, because the mean of its divisors is an integer number (66616665).

Almost surely, 2^133233329 is an apocalyptic number.

It is an amenable number.

133233329 is a deficient number, since it is larger than the sum of its proper divisors (1).

133233329 is an equidigital number, since it uses as much as digits as its factorization.

133233329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 29.

The square root of 133233329 is about 11542.6742568609. The cubic root of 133233329 is about 510.7451992102.

The spelling of 133233329 in words is "one hundred thirty-three million, two hundred thirty-three thousand, three hundred twenty-nine".