133012304 has 10 divisors (see below), whose sum is σ = 257711370. Its totient is φ = 66506144.

The previous prime is 133012277. The next prime is 133012309. The reversal of 133012304 is 403210331.

It is a happy number.

133012304 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 102981904 + 30030400 = 10148^2 + 5480^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133012309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4156619 + ... + 4156650.

It is an arithmetic number, because the mean of its divisors is an integer number (25771137).

Almost surely, 2^133012304 is an apocalyptic number.

It is an amenable number.

133012304 is a deficient number, since it is larger than the sum of its proper divisors (124699066).

133012304 is an equidigital number, since it uses as much as digits as its factorization.

133012304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8313277 (or 8313271 counting only the distinct ones).

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

The square root of 133012304 is about 11533.0960283872. The cubic root of 133012304 is about 510.4626124123.

Adding to 133012304 its reverse (403210331), we get a palindrome (536222635).

The spelling of 133012304 in words is "one hundred thirty-three million, twelve thousand, three hundred four".