133312042 has 8 divisors (see below), whose sum is σ = 200798532. Its totient is φ = 66379200.

The previous prime is 133311991. The next prime is 133312051. The reversal of 133312042 is 240213331.

133312042 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 2 ways, for example, as 130210921 + 3101121 = 11411^2 + 1761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137809 + ... + 138772.

Almost surely, 2^133312042 is an apocalyptic number.

133312042 is a deficient number, since it is larger than the sum of its proper divisors (67486490).

133312042 is a wasteful number, since it uses less digits than its factorization.

133312042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276824.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 133312042 is about 11546.0834052072. The cubic root of 133312042 is about 510.8457605655.

Adding to 133312042 its reverse (240213331), we get a palindrome (373525373).

The spelling of 133312042 in words is "one hundred thirty-three million, three hundred twelve thousand, forty-two".