133304 has 16 divisors (see below), whose sum is σ = 263400. Its totient is φ = 63072.

The previous prime is 133303. The next prime is 133319. The reversal of 133304 is 403331.

It is a happy number.

133304 is nontrivially palindromic in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287 + ... + 590.

2¹³³³⁰⁴ is an apocalyptic number.

It is an amenable number.

133304 is a deficient number, since it is larger than the sum of its proper divisors (130096).

133304 is a wasteful number, since it uses less digits than its factorization.

133304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 133304 is about 365.1082031398. The cubic root of 133304 is about 51.0835488165.

Adding to 133304 its reverse (403331), we get a palindrome (536635).

The spelling of 133304 in words is "one hundred thirty-three thousand, three hundred four".