139728805488 has 160 divisors (see below), whose sum is σ = 432943718400. Its totient is φ = 43014875904.

The previous prime is 139728805487. The next prime is 139728805547. The reversal of 139728805488 is 884508827931.

139728805488 is a `hidden beast` number, since 1 + 3 + 9 + 7 + 2 + 8 + 80 + 548 + 8 = 666.

It is a super-3 number, since 3×139728805488³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139728805481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45681 + ... + 530607.

It is an arithmetic number, because the mean of its divisors is an integer number (2705898240).

Almost surely, 2^139728805488 is an apocalyptic number.

139728805488 is a gapful number since it is divisible by the number (18) 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 139728805488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216471859200).

139728805488 is an abundant number, since it is smaller than the sum of its proper divisors (293214912912).

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

139728805488 is a wasteful number, since it uses less digits than its factorization.

139728805488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484996 (or 484984 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 63.

The spelling of 139728805488 in words is "one hundred thirty-nine billion, seven hundred twenty-eight million, eight hundred five thousand, four hundred eighty-eight".