242135339 has 2 divisors, whose sum is σ = 242135340. Its totient is φ = 242135338.

The previous prime is 242135321. The next prime is 242135353. The reversal of 242135339 is 933531242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242135339 - 2¹⁶ = 242069803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242135039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121067669 + 121067670.

It is an arithmetic number, because the mean of its divisors is an integer number (121067670).

Almost surely, 2^242135339 is an apocalyptic number.

242135339 is a deficient number, since it is larger than the sum of its proper divisors (1).

242135339 is an equidigital number, since it uses as much as digits as its factorization.

242135339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 32.

The square root of 242135339 is about 15560.6985383048. The cubic root of 242135339 is about 623.2841161124.

The spelling of 242135339 in words is "two hundred forty-two million, one hundred thirty-five thousand, three hundred thirty-nine".