133412233 has 2 divisors, whose sum is σ = 133412234. Its totient is φ = 133412232.

The previous prime is 133412231. The next prime is 133412239. The reversal of 133412233 is 332214331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85137529 + 48274704 = 9227^2 + 6948^2 .

It is a cyclic number.

It is not a de Polignac number, because 133412233 - 2¹ = 133412231 is a prime.

Together with 133412231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (133412231) 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 as a sum of consecutive naturals, namely, 66706116 + 66706117.

It is an arithmetic number, because the mean of its divisors is an integer number (66706117).

Almost surely, 2^133412233 is an apocalyptic number.

It is an amenable number.

133412233 is a deficient number, since it is larger than the sum of its proper divisors (1).

133412233 is an equidigital number, since it uses as much as digits as its factorization.

133412233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 22.

The square root of 133412233 is about 11550.4213343064. The cubic root of 133412233 is about 510.9737043235.

Adding to 133412233 its reverse (332214331), we get a palindrome (465626564).

The spelling of 133412233 in words is "one hundred thirty-three million, four hundred twelve thousand, two hundred thirty-three".