138627466055 has 16 divisors (see below), whose sum is σ = 180734742720. Its totient is φ = 101465107968.

The previous prime is 138627466009. The next prime is 138627466073. The reversal of 138627466055 is 550664726831.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138627466055 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138627465988 and 138627466006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9429515 + ... + 9444204.

It is an arithmetic number, because the mean of its divisors is an integer number (11295921420).

Almost surely, 2^138627466055 is an apocalyptic number.

138627466055 is a deficient number, since it is larger than the sum of its proper divisors (42107276665).

138627466055 is a wasteful number, since it uses less digits than its factorization.

138627466055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18873850.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 138627466055 in words is "one hundred thirty-eight billion, six hundred twenty-seven million, four hundred sixty-six thousand, fifty-five".