133500633 has 32 divisors (see below), whose sum is σ = 212889600. Its totient is φ = 72819840.

The previous prime is 133500617. The next prime is 133500667. The reversal of 133500633 is 336005331.

It is not a de Polignac number, because 133500633 - 2⁴ = 133500617 is a prime.

It is a super-2 number, since 2×133500633² = 35644838022801378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133500613) 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 31 ways as a sum of consecutive naturals, for example, 38818 + ... + 42116.

It is an arithmetic number, because the mean of its divisors is an integer number (6652800).

Almost surely, 2^133500633 is an apocalyptic number.

It is an amenable number.

133500633 is a deficient number, since it is larger than the sum of its proper divisors (79388967).

133500633 is a wasteful number, since it uses less digits than its factorization.

133500633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3397.

The product of its (nonzero) digits is 2430, while the sum is 24.

The square root of 133500633 is about 11554.2474008479. The cubic root of 133500633 is about 511.0865378107.

Adding to 133500633 its reverse (336005331), we get a palindrome (469505964).

The spelling of 133500633 in words is "one hundred thirty-three million, five hundred thousand, six hundred thirty-three".