140013257065 has 16 divisors (see below), whose sum is σ = 194071852800. Its totient is φ = 95837950720.

The previous prime is 140013257039. The next prime is 140013257077. The reversal of 140013257065 is 560752310041.

It is not a de Polignac number, because 140013257065 - 2¹³ = 140013248873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140013257065.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74872465 + ... + 74874334.

It is an arithmetic number, because the mean of its divisors is an integer number (12129490800).

Almost surely, 2^140013257065 is an apocalyptic number.

It is an amenable number.

140013257065 is a deficient number, since it is larger than the sum of its proper divisors (54058595735).

140013257065 is a wasteful number, since it uses less digits than its factorization.

140013257065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149746832.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 140013257065 in words is "one hundred forty billion, thirteen million, two hundred fifty-seven thousand, sixty-five".