139125858612 has 192 divisors, whose sum is σ = 383360947200. Its totient is φ = 38876092416.

The previous prime is 139125858601. The next prime is 139125858631. The reversal of 139125858612 is 216858521931.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9457639 + ... + 9472337.

It is an arithmetic number, because the mean of its divisors is an integer number (1996671600).

Almost surely, 2^139125858612 is an apocalyptic number.

139125858612 is a gapful number since it is divisible by the number (12) 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 139125858612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191680473600).

139125858612 is an abundant number, since it is smaller than the sum of its proper divisors (244235088588).

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

139125858612 is a wasteful number, since it uses less digits than its factorization.

139125858612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14862 (or 14860 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 51.

The spelling of 139125858612 in words is "one hundred thirty-nine billion, one hundred twenty-five million, eight hundred fifty-eight thousand, six hundred twelve".