140441104402321 has 4 divisors (see below), whose sum is σ = 141753638088432. Its totient is φ = 139128570716212.

The previous prime is 140441104402307. The next prime is 140441104402363. The reversal of 140441104402321 is 123204401144041.

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 140441104402321 - 2¹¹ = 140441104400273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140441104402121) 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, 656266842895 + ... + 656266843108.

It is an arithmetic number, because the mean of its divisors is an integer number (35438409522108).

Almost surely, 2^{140441104402321} is an apocalyptic number.

It is an amenable number.

140441104402321 is a deficient number, since it is larger than the sum of its proper divisors (1312533686111).

140441104402321 is a wasteful number, since it uses less digits than its factorization.

140441104402321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312533686110.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 140441104402321 its reverse (123204401144041), we get a palindrome (263645505546362).

The spelling of 140441104402321 in words is "one hundred forty trillion, four hundred forty-one billion, one hundred four million, four hundred two thousand, three hundred twenty-one".