242042442133 has 4 divisors (see below), whose sum is σ = 242316556768. Its totient is φ = 241768327500.

The previous prime is 242042442073. The next prime is 242042442139. The reversal of 242042442133 is 331244240242.

242042442133 is digitally balanced in base 2, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242042442133 - 2⁹ = 242042441621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242042442095 and 242042442104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242042442139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137055993 + ... + 137057758.

It is an arithmetic number, because the mean of its divisors is an integer number (60579139192).

Almost surely, 2^242042442133 is an apocalyptic number.

It is an amenable number.

242042442133 is a deficient number, since it is larger than the sum of its proper divisors (274114635).

242042442133 is an equidigital number, since it uses as much as digits as its factorization.

242042442133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274114634.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 242042442133 its reverse (331244240242), we get a palindrome (573286682375).

The spelling of 242042442133 in words is "two hundred forty-two billion, forty-two million, four hundred forty-two thousand, one hundred thirty-three".