139180103856 has 120 divisors (see below), whose sum is σ = 410156248320. Its totient is φ = 43936103808.

The previous prime is 139180103819. The next prime is 139180103869. The reversal of 139180103856 is 658301081931.

It is a happy number.

139180103856 is a `hidden beast` number, since 1 + 391 + 80 + 103 + 85 + 6 = 666.

It is a super-2 number, since 2×139180103856² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9642661 + ... + 9657083.

It is an arithmetic number, because the mean of its divisors is an integer number (3417968736).

Almost surely, 2^139180103856 is an apocalyptic number.

139180103856 is a gapful number since it is divisible by the number (16) 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 139180103856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205078124160).

139180103856 is an abundant number, since it is smaller than the sum of its proper divisors (270976144464).

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

139180103856 is a wasteful number, since it uses less digits than its factorization.

139180103856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17983 (or 17974 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 139180103856 in words is "one hundred thirty-nine billion, one hundred eighty million, one hundred three thousand, eight hundred fifty-six".