139889181936 has 240 divisors, whose sum is σ = 459472020480. Its totient is φ = 36403476480.

The previous prime is 139889181893. The next prime is 139889181997. The reversal of 139889181936 is 639181988931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1183075 + ... + 1295933.

It is an arithmetic number, because the mean of its divisors is an integer number (1914466752).

Almost surely, 2^139889181936 is an apocalyptic number.

139889181936 is a gapful number since it is divisible by the number (16) 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 139889181936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229736010240).

139889181936 is an abundant number, since it is smaller than the sum of its proper divisors (319582838544).

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

139889181936 is a wasteful number, since it uses less digits than its factorization.

139889181936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112932 (or 112919 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 66.

The spelling of 139889181936 in words is "one hundred thirty-nine billion, eight hundred eighty-nine million, one hundred eighty-one thousand, nine hundred thirty-six".