140143216597 has 2 divisors, whose sum is σ = 140143216598. Its totient is φ = 140143216596.

The previous prime is 140143216571. The next prime is 140143216651. The reversal of 140143216597 is 795612341041.

It is a happy number.

140143216597 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., 126134363716 + 14008852881 = 355154^2 + 118359^2 .

It is a cyclic number.

It is not a de Polignac number, because 140143216597 - 2³¹ = 137995732949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140143216517) 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, 70071608298 + 70071608299.

It is an arithmetic number, because the mean of its divisors is an integer number (70071608299).

Almost surely, 2^140143216597 is an apocalyptic number.

It is an amenable number.

140143216597 is a deficient number, since it is larger than the sum of its proper divisors (1).

140143216597 is an equidigital number, since it uses as much as digits as its factorization.

140143216597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 140143216597 in words is "one hundred forty billion, one hundred forty-three million, two hundred sixteen thousand, five hundred ninety-seven".