133563235 has 24 divisors (see below), whose sum is σ = 174502944. Its totient is φ = 98092800.

The previous prime is 133563193. The next prime is 133563239. The reversal of 133563235 is 532365331.

It is not a de Polignac number, because 133563235 - 2²³ = 125174627 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133563197 and 133563206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133563239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221935 + ... + 222535.

It is an arithmetic number, because the mean of its divisors is an integer number (7270956).

Almost surely, 2^133563235 is an apocalyptic number.

133563235 is a deficient number, since it is larger than the sum of its proper divisors (40939709).

133563235 is a wasteful number, since it uses less digits than its factorization.

133563235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895 (or 882 counting only the distinct ones).

The product of its digits is 24300, while the sum is 31.

The square root of 133563235 is about 11556.9561304004. The cubic root of 133563235 is about 511.1664126870.

The spelling of 133563235 in words is "one hundred thirty-three million, five hundred sixty-three thousand, two hundred thirty-five".