133033233 has 16 divisors (see below), whose sum is σ = 185141376. Its totient is φ = 84888960.

The previous prime is 133033217. The next prime is 133033247. The reversal of 133033233 is 332330331.

It is not a de Polignac number, because 133033233 - 2⁴ = 133033217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133033213) 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, 3685 + ... + 16722.

It is an arithmetic number, because the mean of its divisors is an integer number (11571336).

Almost surely, 2^133033233 is an apocalyptic number.

It is an amenable number.

133033233 is a deficient number, since it is larger than the sum of its proper divisors (52108143).

133033233 is a wasteful number, since it uses less digits than its factorization.

133033233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20504.

The product of its (nonzero) digits is 1458, while the sum is 21.

The square root of 133033233 is about 11534.0033379569. The cubic root of 133033233 is about 510.4893841505.

Adding to 133033233 its reverse (332330331), we get a palindrome (465363564).

The spelling of 133033233 in words is "one hundred thirty-three million, thirty-three thousand, two hundred thirty-three".