242208088309139 has 2 divisors, whose sum is σ = 242208088309140. Its totient is φ = 242208088309138.

The previous prime is 242208088309097. The next prime is 242208088309199. The reversal of 242208088309139 is 931903880802242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242208088309139 - 2¹⁶ = 242208088243603 is a prime.

It is not a weakly prime, because it can be changed into another prime (242208088309199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121104044154569 + 121104044154570.

It is an arithmetic number, because the mean of its divisors is an integer number (121104044154570).

Almost surely, 2^{242208088309139} is an apocalyptic number.

242208088309139 is a deficient number, since it is larger than the sum of its proper divisors (1).

242208088309139 is an equidigital number, since it uses as much as digits as its factorization.

242208088309139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11943936, while the sum is 59.

The spelling of 242208088309139 in words is "two hundred forty-two trillion, two hundred eight billion, eighty-eight million, three hundred nine thousand, one hundred thirty-nine".