139984438608 has 180 divisors, whose sum is σ = 472534110048. Its totient is φ = 37890426240.

The previous prime is 139984438591. The next prime is 139984438637. The reversal of 139984438608 is 806834489931.

139984438608 is a `hidden beast` number, since 13 + 9 + 9 + 8 + 4 + 4 + 3 + 8 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 171543 + ... + 556233.

Almost surely, 2^139984438608 is an apocalyptic number.

139984438608 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 139984438608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236267055024).

139984438608 is an abundant number, since it is smaller than the sum of its proper divisors (332549671440).

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

139984438608 is a wasteful number, since it uses less digits than its factorization.

139984438608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384750 (or 384722 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 139984438608 in words is "one hundred thirty-nine billion, nine hundred eighty-four million, four hundred thirty-eight thousand, six hundred eight".