133329369 has 16 divisors (see below), whose sum is σ = 182476800. Its totient is φ = 86547216.

The previous prime is 133329353. The next prime is 133329401. The reversal of 133329369 is 963923331.

It is a happy number.

It is not a de Polignac number, because 133329369 - 2⁴ = 133329353 is a prime.

It is a super-2 number, since 2×133329369² = 35553441275876322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133329319) 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 15 ways as a sum of consecutive naturals, for example, 44872 + ... + 47750.

It is an arithmetic number, because the mean of its divisors is an integer number (11404800).

Almost surely, 2^133329369 is an apocalyptic number.

It is an amenable number.

133329369 is a deficient number, since it is larger than the sum of its proper divisors (49147431).

133329369 is a wasteful number, since it uses less digits than its factorization.

133329369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284.

The product of its digits is 78732, while the sum is 39.

The square root of 133329369 is about 11546.8337218477. The cubic root of 133329369 is about 510.8678917021.

The spelling of 133329369 in words is "one hundred thirty-three million, three hundred twenty-nine thousand, three hundred sixty-nine".