133120304 has 20 divisors (see below), whose sum is σ = 258674664. Its totient is φ = 66365568.

The previous prime is 133120301. The next prime is 133120321. The reversal of 133120304 is 403021331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (133120301) 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, 6437 + ... + 17540.

Almost surely, 2^133120304 is an apocalyptic number.

It is an amenable number.

133120304 is a deficient number, since it is larger than the sum of its proper divisors (125554360).

133120304 is a wasteful number, since it uses less digits than its factorization.

133120304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24332 (or 24326 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 133120304 is about 11537.7772556069. Note that the first 3 decimals coincide. The cubic root of 133120304 is about 510.6007325866.

Adding to 133120304 its reverse (403021331), we get a palindrome (536141635).

The spelling of 133120304 in words is "one hundred thirty-three million, one hundred twenty thousand, three hundred four".