140443443321 has 4 divisors (see below), whose sum is σ = 187257924432. Its totient is φ = 93628962212.

The previous prime is 140443443319. The next prime is 140443443337. The reversal of 140443443321 is 123344344041.

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 140443443321 - 2¹ = 140443443319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140443443311) 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, 23407240551 + ... + 23407240556.

It is an arithmetic number, because the mean of its divisors is an integer number (46814481108).

Almost surely, 2^140443443321 is an apocalyptic number.

It is an amenable number.

140443443321 is a deficient number, since it is larger than the sum of its proper divisors (46814481111).

140443443321 is an equidigital number, since it uses as much as digits as its factorization.

140443443321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46814481110.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 140443443321 its reverse (123344344041), we get a palindrome (263787787362).

The spelling of 140443443321 in words is "one hundred forty billion, four hundred forty-three million, four hundred forty-three thousand, three hundred twenty-one".