138001060663 has 2 divisors, whose sum is σ = 138001060664. Its totient is φ = 138001060662.

The previous prime is 138001060649. The next prime is 138001060679. The reversal of 138001060663 is 366060100831.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (366060100831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 138001060663 - 2¹³ = 138001052471 is a prime.

It is a super-2 number, since 2×138001060663² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138001060643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69000530331 + 69000530332.

It is an arithmetic number, because the mean of its divisors is an integer number (69000530332).

Almost surely, 2^138001060663 is an apocalyptic number.

138001060663 is a deficient number, since it is larger than the sum of its proper divisors (1).

138001060663 is an equidigital number, since it uses as much as digits as its factorization.

138001060663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 138001060663 in words is "one hundred thirty-eight billion, one million, sixty thousand, six hundred sixty-three".