138183353381968 has 40 divisors (see below), whose sum is σ = 270744374197440. Its totient is φ = 68313871422720.

The previous prime is 138183353381959. The next prime is 138183353381989. The reversal of 138183353381968 is 869183353381831.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 138183353381897 and 138183353381906.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 65529813 + ... + 67605643.

It is an arithmetic number, because the mean of its divisors is an integer number (6768609354936).

Almost surely, 2^{138183353381968} is an apocalyptic number.

It is an amenable number.

138183353381968 is a deficient number, since it is larger than the sum of its proper divisors (132561020815472).

138183353381968 is a wasteful number, since it uses less digits than its factorization.

138183353381968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122675 (or 2122669 counting only the distinct ones).

The product of its digits is 268738560, while the sum is 70.

The spelling of 138183353381968 in words is "one hundred thirty-eight trillion, one hundred eighty-three billion, three hundred fifty-three million, three hundred eighty-one thousand, nine hundred sixty-eight".