139642855898616 has 768 divisors, whose sum is σ = 470666698444800. Its totient is φ = 36515880511488.

The previous prime is 139642855898603. The next prime is 139642855898627. The reversal of 139642855898616 is 616898558246931.

139642855898616 is a `hidden beast` number, since 1 + 3 + 9 + 6 + 4 + 28 + 5 + 589 + 8 + 6 + 1 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 15964652755 + ... + 15964661501.

It is an arithmetic number, because the mean of its divisors is an integer number (612847263600).

Almost surely, 2^{139642855898616} 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 139642855898616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235333349222400).

139642855898616 is an abundant number, since it is smaller than the sum of its proper divisors (331023842546184).

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

139642855898616 is a wasteful number, since it uses less digits than its factorization.

139642855898616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9248 (or 9241 counting only the distinct ones).

The product of its digits is 5374771200, while the sum is 81.

The spelling of 139642855898616 in words is "one hundred thirty-nine trillion, six hundred forty-two billion, eight hundred fifty-five million, eight hundred ninety-eight thousand, six hundred sixteen".