140520705812 has 12 divisors (see below), whose sum is σ = 246011256960. Its totient is φ = 70231775256.

The previous prime is 140520705811. The next prime is 140520705821. The reversal of 140520705812 is 218507025041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140520705811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7133348 + ... + 7153019.

It is an arithmetic number, because the mean of its divisors is an integer number (20500938080).

Almost surely, 2^140520705812 is an apocalyptic number.

It is an amenable number.

140520705812 is a deficient number, since it is larger than the sum of its proper divisors (105490551148).

140520705812 is a wasteful number, since it uses less digits than its factorization.

140520705812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14288830 (or 14288828 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The spelling of 140520705812 in words is "one hundred forty billion, five hundred twenty million, seven hundred five thousand, eight hundred twelve".