140244126443 has 4 divisors (see below), whose sum is σ = 140956025760. Its totient is φ = 139532227128.

The previous prime is 140244126431. The next prime is 140244126457. The reversal of 140244126443 is 344621442041.

140244126443 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 an emirpimes, since its reverse is a distinct semiprime: 344621442041 = 31 ⋅11116820711.

It is a cyclic number.

It is not a de Polignac number, because 140244126443 - 2¹⁶ = 140244060907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140244126403) 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, 355949363 + ... + 355949756.

It is an arithmetic number, because the mean of its divisors is an integer number (35239006440).

Almost surely, 2^140244126443 is an apocalyptic number.

140244126443 is a deficient number, since it is larger than the sum of its proper divisors (711899317).

140244126443 is an equidigital number, since it uses as much as digits as its factorization.

140244126443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711899316.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 140244126443 its reverse (344621442041), we get a palindrome (484865568484).

The spelling of 140244126443 in words is "one hundred forty billion, two hundred forty-four million, one hundred twenty-six thousand, four hundred forty-three".