140443221053 has 2 divisors, whose sum is σ = 140443221054. Its totient is φ = 140443221052.

The previous prime is 140443221011. The next prime is 140443221071. The reversal of 140443221053 is 350122344041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106091564089 + 34351656964 = 325717^2 + 185342^2 .

It is an emirp because it is prime and its reverse (350122344041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140443221053 - 2³⁶ = 71723744317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140443221073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70221610526 + 70221610527.

It is an arithmetic number, because the mean of its divisors is an integer number (70221610527).

Almost surely, 2^140443221053 is an apocalyptic number.

It is an amenable number.

140443221053 is a deficient number, since it is larger than the sum of its proper divisors (1).

140443221053 is an equidigital number, since it uses as much as digits as its factorization.

140443221053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 140443221053 its reverse (350122344041), we get a palindrome (490565565094).

The spelling of 140443221053 in words is "one hundred forty billion, four hundred forty-three million, two hundred twenty-one thousand, fifty-three".