139063394088 has 72 divisors (see below), whose sum is σ = 380446034670. Its totient is φ = 45885014400.

The previous prime is 139063394069. The next prime is 139063394159. The reversal of 139063394088 is 880493360931.

It can be written as a sum of positive squares in 3 ways, for example, as 138978348804 + 85045284 = 372798^2 + 9222^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31798270 + ... + 31802642.

Almost surely, 2^139063394088 is an apocalyptic number.

139063394088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139063394088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190223017335).

139063394088 is an abundant number, since it is smaller than the sum of its proper divisors (241382640582).

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

139063394088 is an equidigital number, since it uses as much as digits as its factorization.

139063394088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8859 (or 4479 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 139063394088 in words is "one hundred thirty-nine billion, sixty-three million, three hundred ninety-four thousand, eighty-eight".