138802884217386 has 32 divisors (see below), whose sum is σ = 278124887858688. Its totient is φ = 46181123558640.

The previous prime is 138802884217297. The next prime is 138802884217391. The reversal of 138802884217386 is 683712488208831.

138802884217386 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 138802884217386.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34263625 + ... + 38099891.

It is an arithmetic number, because the mean of its divisors is an integer number (8691402745584).

Almost surely, 2^{138802884217386} is an apocalyptic number.

138802884217386 is an abundant number, since it is smaller than the sum of its proper divisors (139322003641302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138802884217386 is a wasteful number, since it uses less digits than its factorization.

138802884217386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3847546.

The product of its (nonzero) digits is 198180864, while the sum is 69.

The spelling of 138802884217386 in words is "one hundred thirty-eight trillion, eight hundred two billion, eight hundred eighty-four million, two hundred seventeen thousand, three hundred eighty-six".