133012533 has 8 divisors (see below), whose sum is σ = 177467488. Its totient is φ = 88616304.

The previous prime is 133012489. The next prime is 133012541. The reversal of 133012533 is 335210331.

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

It is not a de Polignac number, because 133012533 - 2⁶ = 133012469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133012133) 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 7 ways as a sum of consecutive naturals, for example, 9091 + ... + 18672.

It is an arithmetic number, because the mean of its divisors is an integer number (22183436).

Almost surely, 2^133012533 is an apocalyptic number.

It is an amenable number.

133012533 is a deficient number, since it is larger than the sum of its proper divisors (44454955).

133012533 is a wasteful number, since it uses less digits than its factorization.

133012533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29363.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 133012533 is about 11533.1059563328. The cubic root of 133012533 is about 510.4629053573.

Adding to 133012533 its reverse (335210331), we get a palindrome (468222864).

The spelling of 133012533 in words is "one hundred thirty-three million, twelve thousand, five hundred thirty-three".