139840475289984 has 640 divisors, whose sum is σ = 485478741000000. Its totient is φ = 39941459582976.

The previous prime is 139840475289947. The next prime is 139840475290031. The reversal of 139840475289984 is 489982574048931.

139840475289984 is a `hidden beast` number, since 1 + 3 + 9 + 8 + 4 + 0 + 4 + 7 + 528 + 9 + 9 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 18524367042 + ... + 18524374590.

Almost surely, 2^{139840475289984} is an apocalyptic number.

139840475289984 is a gapful number since it is divisible by the number (14) 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 139840475289984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242739370500000).

139840475289984 is an abundant number, since it is smaller than the sum of its proper divisors (345638265710016).

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

139840475289984 is an frugal number, since it uses more digits than its factorization.

139840475289984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12805 (or 12770 counting only the distinct ones).

The product of its (nonzero) digits is 5016453120, while the sum is 81.

The spelling of 139840475289984 in words is "one hundred thirty-nine trillion, eight hundred forty billion, four hundred seventy-five million, two hundred eighty-nine thousand, nine hundred eighty-four".