138848231053967 has 2 divisors, whose sum is σ = 138848231053968. Its totient is φ = 138848231053966.

The previous prime is 138848231053949. The next prime is 138848231053979. The reversal of 138848231053967 is 769350132848831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138848231053967 - 2²⁰ = 138848230005391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138848231053897 and 138848231053906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138848231053997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69424115526983 + 69424115526984.

It is an arithmetic number, because the mean of its divisors is an integer number (69424115526984).

It is a 1-persistent number, because it is pandigital, but 2⋅138848231053967 = 277696462107934 is not.

Almost surely, 2^{138848231053967} is an apocalyptic number.

138848231053967 is a deficient number, since it is larger than the sum of its proper divisors (1).

138848231053967 is an equidigital number, since it uses as much as digits as its factorization.

138848231053967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209018880, while the sum is 68.

The spelling of 138848231053967 in words is "one hundred thirty-eight trillion, eight hundred forty-eight billion, two hundred thirty-one million, fifty-three thousand, nine hundred sixty-seven".