140243222369 has 2 divisors, whose sum is σ = 140243222370. Its totient is φ = 140243222368.

The previous prime is 140243222323. The next prime is 140243222417. The reversal of 140243222369 is 963222342041.

140243222369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84629791744 + 55613430625 = 290912^2 + 235825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140243222369 is a prime.

It is a super-2 number, since 2×140243222369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140243222569) 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 as a sum of consecutive naturals, namely, 70121611184 + 70121611185.

It is an arithmetic number, because the mean of its divisors is an integer number (70121611185).

Almost surely, 2^140243222369 is an apocalyptic number.

It is an amenable number.

140243222369 is a deficient number, since it is larger than the sum of its proper divisors (1).

140243222369 is an equidigital number, since it uses as much as digits as its factorization.

140243222369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 140243222369 in words is "one hundred forty billion, two hundred forty-three million, two hundred twenty-two thousand, three hundred sixty-nine".