139108979180 has 96 divisors (see below), whose sum is σ = 316687257600. Its totient is φ = 51148599552.

The previous prime is 139108979147. The next prime is 139108979221. The reversal of 139108979180 is 81979801931.

It is a super-4 number, since 4×139108979180⁴ (a number of 46 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5146541 + ... + 5173499.

It is an arithmetic number, because the mean of its divisors is an integer number (3298825600).

Almost surely, 2^139108979180 is an apocalyptic number.

139108979180 is a gapful number since it is divisible by the number (10) 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 139108979180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158343628800).

139108979180 is an abundant number, since it is smaller than the sum of its proper divisors (177578278420).

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

139108979180 is a wasteful number, since it uses less digits than its factorization.

139108979180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27391 (or 27389 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 56.

The spelling of 139108979180 in words is "one hundred thirty-nine billion, one hundred eight million, nine hundred seventy-nine thousand, one hundred eighty".