139246144128 has 192 divisors, whose sum is σ = 493163798400. Its totient is φ = 36724230144.

The previous prime is 139246144091. The next prime is 139246144129. The reversal of 139246144128 is 821441642931.

139246144128 is a `hidden beast` number, since 1 + 3 + 9 + 2 + 4 + 614 + 4 + 1 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (139246144129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 559308 + ... + 768971.

It is an arithmetic number, because the mean of its divisors is an integer number (2568561450).

Almost surely, 2^139246144128 is an apocalyptic number.

139246144128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

139246144128 is an abundant number, since it is smaller than the sum of its proper divisors (353917654272).

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

139246144128 is a wasteful number, since it uses less digits than its factorization.

139246144128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328319 (or 1328304 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The spelling of 139246144128 in words is "one hundred thirty-nine billion, two hundred forty-six million, one hundred forty-four thousand, one hundred twenty-eight".