133942304 has 12 divisors (see below), whose sum is σ = 263698974. Its totient is φ = 66971136.

The previous prime is 133942283. The next prime is 133942307. The reversal of 133942304 is 403249331.

It can be written as a sum of positive squares in only one way, i.e., 80066704 + 53875600 = 8948^2 + 7340^2 .

It is not an unprimeable number, because it can be changed into a prime (133942307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2092817 + ... + 2092880.

Almost surely, 2^133942304 is an apocalyptic number.

It is an amenable number.

133942304 is a deficient number, since it is larger than the sum of its proper divisors (129756670).

133942304 is an equidigital number, since it uses as much as digits as its factorization.

133942304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185707 (or 4185699 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 133942304 is about 11573.3445468456. The cubic root of 133942304 is about 511.6495404416.

The spelling of 133942304 in words is "one hundred thirty-three million, nine hundred forty-two thousand, three hundred four".