238056136039 has 2 divisors, whose sum is σ = 238056136040. Its totient is φ = 238056136038.

The previous prime is 238056135991. The next prime is 238056136049. The reversal of 238056136039 is 930631650832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238056136039 - 2¹⁹ = 238055611751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238056136039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238056136049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119028068019 + 119028068020.

It is an arithmetic number, because the mean of its divisors is an integer number (119028068020).

Almost surely, 2^238056136039 is an apocalyptic number.

238056136039 is a deficient number, since it is larger than the sum of its proper divisors (1).

238056136039 is an equidigital number, since it uses as much as digits as its factorization.

238056136039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 238056136039 in words is "two hundred thirty-eight billion, fifty-six million, one hundred thirty-six thousand, thirty-nine".