140389935840 has 1152 divisors, whose sum is σ = 641949235200. Its totient is φ = 27043430400.

The previous prime is 140389935839. The next prime is 140389935871. The reversal of 140389935840 is 48539983041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 133831636 + ... + 133832684.

It is an arithmetic number, because the mean of its divisors is an integer number (557247600).

Almost surely, 2^140389935840 is an apocalyptic number.

140389935840 is a gapful number since it is divisible by the number (10) 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 140389935840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320974617600).

140389935840 is an abundant number, since it is smaller than the sum of its proper divisors (501559299360).

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

140389935840 is a wasteful number, since it uses less digits than its factorization.

140389935840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 140389935840 in words is "one hundred forty billion, three hundred eighty-nine million, nine hundred thirty-five thousand, eight hundred forty".