140889843641 has 2 divisors, whose sum is σ = 140889843642. Its totient is φ = 140889843640.

The previous prime is 140889843617. The next prime is 140889843667. The reversal of 140889843641 is 146348988041.

It is a happy number.

140889843641 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., 108560365225 + 32329478416 = 329485^2 + 179804^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140889843641 is a prime.

It is not a weakly prime, because it can be changed into another prime (140889849641) 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, 70444921820 + 70444921821.

It is an arithmetic number, because the mean of its divisors is an integer number (70444921821).

Almost surely, 2^140889843641 is an apocalyptic number.

It is an amenable number.

140889843641 is a deficient number, since it is larger than the sum of its proper divisors (1).

140889843641 is an equidigital number, since it uses as much as digits as its factorization.

140889843641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 140889843641 in words is "one hundred forty billion, eight hundred eighty-nine million, eight hundred forty-three thousand, six hundred forty-one".