133234533 has 24 divisors (see below), whose sum is σ = 194987520. Its totient is φ = 87661440.

The previous prime is 133234529. The next prime is 133234583. The reversal of 133234533 is 335432331.

It is a happy number.

It is not a de Polignac number, because 133234533 - 2² = 133234529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133234497 and 133234506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133234583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307485 + ... + 307917.

It is an arithmetic number, because the mean of its divisors is an integer number (8124480).

Almost surely, 2^133234533 is an apocalyptic number.

It is an amenable number.

133234533 is a deficient number, since it is larger than the sum of its proper divisors (61752987).

133234533 is a wasteful number, since it uses less digits than its factorization.

133234533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 806 counting only the distinct ones).

The product of its digits is 9720, while the sum is 27.

The square root of 133234533 is about 11542.7264110348. The cubic root of 133234533 is about 510.7467377025.

Adding to 133234533 its reverse (335432331), we get a palindrome (468666864).

The spelling of 133234533 in words is "one hundred thirty-three million, two hundred thirty-four thousand, five hundred thirty-three".