133033009 has 8 divisors (see below), whose sum is σ = 135972200. Its totient is φ = 130118400.

The previous prime is 133033001. The next prime is 133033031. The reversal of 133033009 is 900330331.

It can be written as a sum of positive squares in 4 ways, for example, as 3073009 + 129960000 = 1753^2 + 11400^2 .

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 133033009 - 2³ = 133033001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133033001) 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, 5017 + ... + 17065.

It is an arithmetic number, because the mean of its divisors is an integer number (16996525).

Almost surely, 2^133033009 is an apocalyptic number.

It is an amenable number.

133033009 is a deficient number, since it is larger than the sum of its proper divisors (2939191).

133033009 is a wasteful number, since it uses less digits than its factorization.

133033009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12291.

The product of its (nonzero) digits is 729, while the sum is 22.

The square root of 133033009 is about 11533.9936275342. The cubic root of 133033009 is about 510.4890976314.

The spelling of 133033009 in words is "one hundred thirty-three million, thirty-three thousand, nine".