133432233 has 8 divisors (see below), whose sum is σ = 194083296. Its totient is φ = 80868000.

The previous prime is 133432183. The next prime is 133432253. The reversal of 133432233 is 332234331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133432233 - 2⁹ = 133431721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133432253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021668 + ... + 2021733.

It is an arithmetic number, because the mean of its divisors is an integer number (24260412).

Almost surely, 2^133432233 is an apocalyptic number.

It is an amenable number.

133432233 is a deficient number, since it is larger than the sum of its proper divisors (60651063).

133432233 is a wasteful number, since it uses less digits than its factorization.

133432233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043415.

The product of its digits is 3888, while the sum is 24.

The square root of 133432233 is about 11551.2870711449. The cubic root of 133432233 is about 510.9992366235. Note that the first 3 decimals are identical.

Adding to 133432233 its reverse (332234331), we get a palindrome (465666564).

It can be divided in two parts, 13343 and 2233, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 133432233 in words is "one hundred thirty-three million, four hundred thirty-two thousand, two hundred thirty-three".