139019388766 has 16 divisors (see below), whose sum is σ = 209299007808. Its totient is φ = 69253495200.

The previous prime is 139019388737. The next prime is 139019388779. The reversal of 139019388766 is 667883910931.

139019388766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521836 + ... + 741856.

It is an arithmetic number, because the mean of its divisors is an integer number (13081187988).

Almost surely, 2^139019388766 is an apocalyptic number.

139019388766 is a deficient number, since it is larger than the sum of its proper divisors (70279619042).

139019388766 is a wasteful number, since it uses less digits than its factorization.

139019388766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221187.

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 139019388766 in words is "one hundred thirty-nine billion, nineteen million, three hundred eighty-eight thousand, seven hundred sixty-six".