138848231070401 has 2 divisors, whose sum is σ = 138848231070402. Its totient is φ = 138848231070400.

The previous prime is 138848231070371. The next prime is 138848231070449. The reversal of 138848231070401 is 104070132848831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109273069797376 + 29575161273025 = 10453376^2 + 5438305^2 .

It is an emirp because it is prime and its reverse (104070132848831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 138848231070401 - 2⁶ = 138848231070337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 138848231070401.

It is not a weakly prime, because it can be changed into another prime (138848231040401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69424115535200 + 69424115535201.

It is an arithmetic number, because the mean of its divisors is an integer number (69424115535201).

Almost surely, 2^{138848231070401} is an apocalyptic number.

It is an amenable number.

138848231070401 is a deficient number, since it is larger than the sum of its proper divisors (1).

138848231070401 is an equidigital number, since it uses as much as digits as its factorization.

138848231070401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 138848231070401 in words is "one hundred thirty-eight trillion, eight hundred forty-eight billion, two hundred thirty-one million, seventy thousand, four hundred one".