133383366 has 12 divisors (see below), whose sum is σ = 288997332. Its totient is φ = 44461116.

The previous prime is 133383361. The next prime is 133383379. The reversal of 133383366 is 663383331.

It is a super-2 number, since 2×133383366² = 35582244650979912, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 133383366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133383361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3705076 + ... + 3705111.

It is an arithmetic number, because the mean of its divisors is an integer number (24083111).

Almost surely, 2^133383366 is an apocalyptic number.

133383366 is an abundant number, since it is smaller than the sum of its proper divisors (155613966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133383366 is a wasteful number, since it uses less digits than its factorization.

133383366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7410195 (or 7410192 counting only the distinct ones).

The product of its digits is 69984, while the sum is 36.

The square root of 133383366 is about 11549.1716586082. The cubic root of 133383366 is about 510.9368477785.

The spelling of 133383366 in words is "one hundred thirty-three million, three hundred eighty-three thousand, three hundred sixty-six".