140194783008 has 144 divisors (see below), whose sum is σ = 458959737600. Its totient is φ = 39763196928.

The previous prime is 140194782947. The next prime is 140194783063. The reversal of 140194783008 is 800387491041.

It is a happy number.

140194783008 is a `hidden beast` number, since 140 + 1 + 9 + 478 + 30 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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 23 ways as a sum of consecutive naturals, for example, 22393 + ... + 529991.

It is an arithmetic number, because the mean of its divisors is an integer number (3187220400).

Almost surely, 2^140194783008 is an apocalyptic number.

140194783008 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 140194783008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229479868800).

140194783008 is an abundant number, since it is smaller than the sum of its proper divisors (318764954592).

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

140194783008 is a wasteful number, since it uses less digits than its factorization.

140194783008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507759 (or 507748 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 140194783008 in words is "one hundred forty billion, one hundred ninety-four million, seven hundred eighty-three thousand, eight".