133606330 has 48 divisors (see below), whose sum is σ = 284127264. Its totient is φ = 44840640.

The previous prime is 133606313. The next prime is 133606337. The reversal of 133606330 is 33606331.

It is a happy number.

133606330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 133606295 and 133606304.

It is not an unprimeable number, because it can be changed into a prime (133606337) 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, 14997 + ... + 22183.

It is an arithmetic number, because the mean of its divisors is an integer number (5919318).

Almost surely, 2^133606330 is an apocalyptic number.

133606330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133606330 is an abundant number, since it is smaller than the sum of its proper divisors (150520934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133606330 is a wasteful number, since it uses less digits than its factorization.

133606330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231 (or 7218 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

The square root of 133606330 is about 11558.8204415503. The cubic root of 133606330 is about 511.2213837718.

Subtracting from 133606330 its reverse (33606331), we obtain a palindrome (99999999).

The spelling of 133606330 in words is "one hundred thirty-three million, six hundred six thousand, three hundred thirty".