138130795572079 has 2 divisors, whose sum is σ = 138130795572080. Its totient is φ = 138130795572078.

The previous prime is 138130795571987. The next prime is 138130795572097. The reversal of 138130795572079 is 970275597031831.

Together with next prime (138130795572097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138130795572079 - 2⁹ = 138130795571567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138130795572179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69065397786039 + 69065397786040.

It is an arithmetic number, because the mean of its divisors is an integer number (69065397786040).

Almost surely, 2^{138130795572079} is an apocalyptic number.

138130795572079 is a deficient number, since it is larger than the sum of its proper divisors (1).

138130795572079 is an equidigital number, since it uses as much as digits as its factorization.

138130795572079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100018800, while the sum is 67.

The spelling of 138130795572079 in words is "one hundred thirty-eight trillion, one hundred thirty billion, seven hundred ninety-five million, five hundred seventy-two thousand, seventy-nine".