140365645860 has 144 divisors (see below), whose sum is σ = 445937619456. Its totient is φ = 32930304000.

The previous prime is 140365645853. The next prime is 140365645873. The reversal of 140365645860 is 68546563041.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86781 + ... + 536900.

It is an arithmetic number, because the mean of its divisors is an integer number (3096789024).

Almost surely, 2^140365645860 is an apocalyptic number.

140365645860 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 140365645860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222968809728).

140365645860 is an abundant number, since it is smaller than the sum of its proper divisors (305571973596).

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

140365645860 is a wasteful number, since it uses less digits than its factorization.

140365645860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623746 (or 623733 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 140365645860 in words is "one hundred forty billion, three hundred sixty-five million, six hundred forty-five thousand, eight hundred sixty".