140440313032013 has 4 divisors (see below), whose sum is σ = 145283082446940. Its totient is φ = 135597543617088.

The previous prime is 140440313031989. The next prime is 140440313032021. The reversal of 140440313032013 is 310230313044041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65301963007369 + 75138350024644 = 8080963^2 + 8668238^2 .

It is a cyclic number.

It is not a de Polignac number, because 140440313032013 - 2³⁸ = 140165435125069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 4842769414897 = 140440313032013 / (1 + 4 + 0 + 4 + 4 + 0 + 3 + 1 + 3 + 0 + 3 + 2 + 0 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140440313032073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2421384707420 + ... + 2421384707477.

It is an arithmetic number, because the mean of its divisors is an integer number (36320770611735).

Almost surely, 2^{140440313032013} is an apocalyptic number.

It is an amenable number.

140440313032013 is a deficient number, since it is larger than the sum of its proper divisors (4842769414927).

140440313032013 is an equidigital number, since it uses as much as digits as its factorization.

140440313032013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4842769414926.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 140440313032013 its reverse (310230313044041), we get a palindrome (450670626076054).

The spelling of 140440313032013 in words is "one hundred forty trillion, four hundred forty billion, three hundred thirteen million, thirty-two thousand, thirteen".