140143220441 has 4 divisors (see below), whose sum is σ = 160163680512. Its totient is φ = 120122760372.

The previous prime is 140143220381. The next prime is 140143220443. The reversal of 140143220441 is 144022341041.

140143220441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 144022341041 = 30253 ⋅4760597.

It is a cyclic number.

It is not a de Polignac number, because 140143220441 - 2⁶ = 140143220377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140143220441.

It is not an unprimeable number, because it can be changed into a prime (140143220443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10010230025 + ... + 10010230038.

It is an arithmetic number, because the mean of its divisors is an integer number (40040920128).

Almost surely, 2^140143220441 is an apocalyptic number.

It is an amenable number.

140143220441 is a deficient number, since it is larger than the sum of its proper divisors (20020460071).

140143220441 is an equidigital number, since it uses as much as digits as its factorization.

140143220441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20020460070.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 140143220441 its reverse (144022341041), we get a palindrome (284165561482).

The spelling of 140143220441 in words is "one hundred forty billion, one hundred forty-three million, two hundred twenty thousand, four hundred forty-one".