133032233 has 4 divisors (see below), whose sum is σ = 133067088. Its totient is φ = 132997380.

The previous prime is 133032227. The next prime is 133032247. The reversal of 133032233 is 332230331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 332230331 = 23 ⋅14444797.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133032233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133032533) 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 3 ways as a sum of consecutive naturals, for example, 10883 + ... + 19608.

It is an arithmetic number, because the mean of its divisors is an integer number (33266772).

Almost surely, 2^133032233 is an apocalyptic number.

It is an amenable number.

133032233 is a deficient number, since it is larger than the sum of its proper divisors (34855).

133032233 is an equidigital number, since it uses as much as digits as its factorization.

133032233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34854.

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 133032233 is about 11533.9599877926. The cubic root of 133032233 is about 510.4881050449.

Adding to 133032233 its reverse (332230331), we get a palindrome (465262564).

The spelling of 133032233 in words is "one hundred thirty-three million, thirty-two thousand, two hundred thirty-three".