138333717429239 has 2 divisors, whose sum is σ = 138333717429240. Its totient is φ = 138333717429238.

The previous prime is 138333717429211. The next prime is 138333717429253. The reversal of 138333717429239 is 932924717333831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138333717429239 - 2⁴⁴ = 120741531384823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138333717429139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69166858714619 + 69166858714620.

It is an arithmetic number, because the mean of its divisors is an integer number (69166858714620).

Almost surely, 2^{138333717429239} is an apocalyptic number.

138333717429239 is a deficient number, since it is larger than the sum of its proper divisors (1).

138333717429239 is an equidigital number, since it uses as much as digits as its factorization.

138333717429239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123451776, while the sum is 65.

The spelling of 138333717429239 in words is "one hundred thirty-eight trillion, three hundred thirty-three billion, seven hundred seventeen million, four hundred twenty-nine thousand, two hundred thirty-nine".