133290333 has 32 divisors (see below), whose sum is σ = 217257600. Its totient is φ = 80760240.

The previous prime is 133290277. The next prime is 133290337. The reversal of 133290333 is 333092331.

133290333 is a `hidden beast` number, since 1 + 3 + 329 + 0 + 333 = 666.

It is not a de Polignac number, because 133290333 - 2¹⁴ = 133273949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 133290297 and 133290306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133290337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34083 + ... + 37791.

It is an arithmetic number, because the mean of its divisors is an integer number (6789300).

Almost surely, 2^133290333 is an apocalyptic number.

It is an amenable number.

133290333 is a deficient number, since it is larger than the sum of its proper divisors (83967267).

133290333 is an equidigital number, since it uses as much as digits as its factorization.

133290333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751 (or 3723 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 27.

The square root of 133290333 is about 11545.1432645940. The cubic root of 133290333 is about 510.8180297557.

The spelling of 133290333 in words is "one hundred thirty-three million, two hundred ninety thousand, three hundred thirty-three".