7138368838866 has 8 divisors (see below), whose sum is σ = 14276737677744. Its totient is φ = 2379456279620.

The previous prime is 7138368838829. The next prime is 7138368838873. The reversal of 7138368838866 is 6688388638317.

It is a sphenic number, since it is the product of 3 distinct primes.

7138368838866 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 594864069900 + ... + 594864069911.

It is an arithmetic number, because the mean of its divisors is an integer number (1784592209718).

Almost surely, 2^{7138368838866} is an apocalyptic number.

7138368838866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7138368838866 is a wasteful number, since it uses less digits than its factorization.

7138368838866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189728139816.

The product of its digits is 1337720832, while the sum is 75.

The spelling of 7138368838866 in words is "seven trillion, one hundred thirty-eight billion, three hundred sixty-eight million, eight hundred thirty-eight thousand, eight hundred sixty-six".