133314242 has 4 divisors (see below), whose sum is σ = 199971366. Its totient is φ = 66657120.

The previous prime is 133314227. The next prime is 133314253. The reversal of 133314242 is 242413331.

133314242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242413331 = 13931 ⋅17401.

It can be written as a sum of positive squares in only one way, i.e., 130393561 + 2920681 = 11419^2 + 1709^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33328559 + ... + 33328562.

Almost surely, 2^133314242 is an apocalyptic number.

133314242 is a deficient number, since it is larger than the sum of its proper divisors (66657124).

133314242 is an equidigital number, since it uses as much as digits as its factorization.

133314242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66657123.

The product of its digits is 1728, while the sum is 23.

The square root of 133314242 is about 11546.1786752154. The cubic root of 133314242 is about 510.8485706505.

Adding to 133314242 its reverse (242413331), we get a palindrome (375727573).

The spelling of 133314242 in words is "one hundred thirty-three million, three hundred fourteen thousand, two hundred forty-two".