138511822063 has 16 divisors (see below), whose sum is σ = 147406279680. Its totient is φ = 129700771200.

The previous prime is 138511821997. The next prime is 138511822067. The reversal of 138511822063 is 360228115831.

It is a cyclic number.

It is not a de Polignac number, because 138511822063 - 2¹⁷ = 138511690991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138511822067) 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 in 15 ways as a sum of consecutive naturals, for example, 14669698 + ... + 14679136.

It is an arithmetic number, because the mean of its divisors is an integer number (9212892480).

Almost surely, 2^138511822063 is an apocalyptic number.

138511822063 is a deficient number, since it is larger than the sum of its proper divisors (8894457617).

138511822063 is a wasteful number, since it uses less digits than its factorization.

138511822063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13758.

The product of its (nonzero) digits is 69120, while the sum is 40.

Adding to 138511822063 its reverse (360228115831), we get a palindrome (498739937894).

The spelling of 138511822063 in words is "one hundred thirty-eight billion, five hundred eleven million, eight hundred twenty-two thousand, sixty-three".