139287068736 has 28 divisors (see below), whose sum is σ = 368530369872. Its totient is φ = 46429022848.

The previous prime is 139287068729. The next prime is 139287068797. The reversal of 139287068736 is 637860782931.

It is a self number, because there is not a number n which added to its sum of digits gives 139287068736.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362726550 + ... + 362726933.

It is an arithmetic number, because the mean of its divisors is an integer number (13161798924).

Almost surely, 2^139287068736 is an apocalyptic number.

139287068736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139287068736 is an abundant number, since it is smaller than the sum of its proper divisors (229243301136).

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

139287068736 is an equidigital number, since it uses as much as digits as its factorization.

139287068736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725453498 (or 725453488 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 60.

The spelling of 139287068736 in words is "one hundred thirty-nine billion, two hundred eighty-seven million, sixty-eight thousand, seven hundred thirty-six".