140244304201321 has 4 divisors (see below), whose sum is σ = 140253267232512. Its totient is φ = 140235341170132.

The previous prime is 140244304201283. The next prime is 140244304201327. The reversal of 140244304201321 is 123102403442041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140244304201321 - 2²⁵ = 140244270646889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140244304201327) 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, 4481492125 + ... + 4481523418.

It is an arithmetic number, because the mean of its divisors is an integer number (35063316808128).

Almost surely, 2^{140244304201321} is an apocalyptic number.

It is an amenable number.

140244304201321 is a deficient number, since it is larger than the sum of its proper divisors (8963031191).

140244304201321 is an equidigital number, since it uses as much as digits as its factorization.

140244304201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8963031190.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 140244304201321 its reverse (123102403442041), we get a palindrome (263346707643362).

The spelling of 140244304201321 in words is "one hundred forty trillion, two hundred forty-four billion, three hundred four million, two hundred one thousand, three hundred twenty-one".