138826340046207 has 24 divisors (see below), whose sum is σ = 218757761361360. Its totient is φ = 84136751047680.

The previous prime is 138826340046193. The next prime is 138826340046239. The reversal of 138826340046207 is 702640043628831.

138826340046207 is a `hidden beast` number, since 1 + 3 + 8 + 8 + 2 + 6 + 3 + 4 + 0 + 0 + 4 + 620 + 7 = 666.

It is not a de Polignac number, because 138826340046207 - 2⁸ = 138826340045951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138826340046257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16755433 + ... + 23630429.

It is an arithmetic number, because the mean of its divisors is an integer number (9114906723390).

Almost surely, 2^{138826340046207} is an apocalyptic number.

138826340046207 is a deficient number, since it is larger than the sum of its proper divisors (79931421315153).

138826340046207 is a wasteful number, since it uses less digits than its factorization.

138826340046207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7078983 (or 7078980 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 138826340046207 in words is "one hundred thirty-eight trillion, eight hundred twenty-six billion, three hundred forty million, forty-six thousand, two hundred seven".