139084636128 has 48 divisors (see below), whose sum is σ = 386573478480. Its totient is φ = 43634395136.

The previous prime is 139084636123. The next prime is 139084636129. The reversal of 139084636128 is 821636480931.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139084636121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42610083 + ... + 42613346.

It is an arithmetic number, because the mean of its divisors is an integer number (8053614135).

Almost surely, 2^139084636128 is an apocalyptic number.

It is an amenable number.

139084636128 is an abundant number, since it is smaller than the sum of its proper divisors (247488842352).

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

139084636128 is a wasteful number, since it uses less digits than its factorization.

139084636128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85223459 (or 85223451 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 139084636128 in words is "one hundred thirty-nine billion, eighty-four million, six hundred thirty-six thousand, one hundred twenty-eight".