139211312128 has 176 divisors, whose sum is σ = 330953457664. Its totient is φ = 57271173120.

The previous prime is 139211312113. The next prime is 139211312131. The reversal of 139211312128 is 821213112931.

It is a junction number, because it is equal to n+sod(n) for n = 139211312093 and 139211312102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28217950 + ... + 28222882.

Almost surely, 2^139211312128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139211312128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165476728832).

139211312128 is an abundant number, since it is smaller than the sum of its proper divisors (191742145536).

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

139211312128 is a wasteful number, since it uses less digits than its factorization.

139211312128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118 (or 5100 counting only the distinct ones).

The product of its digits is 5184, while the sum is 34.

The spelling of 139211312128 in words is "one hundred thirty-nine billion, two hundred eleven million, three hundred twelve thousand, one hundred twenty-eight".