140513305709 has 16 divisors (see below), whose sum is σ = 161095440000. Its totient is φ = 120058939584.

The previous prime is 140513305627. The next prime is 140513305721. The reversal of 140513305709 is 907503315041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140513305709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140513305729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3040427 + ... + 3086295.

It is an arithmetic number, because the mean of its divisors is an integer number (10068465000).

Almost surely, 2^140513305709 is an apocalyptic number.

It is an amenable number.

140513305709 is a deficient number, since it is larger than the sum of its proper divisors (20582134291).

140513305709 is an equidigital number, since it uses as much as digits as its factorization.

140513305709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47252.

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 140513305709 in words is "one hundred forty billion, five hundred thirteen million, three hundred five thousand, seven hundred nine".