140664345433 has 2 divisors, whose sum is σ = 140664345434. Its totient is φ = 140664345432.

The previous prime is 140664345359. The next prime is 140664345499. The reversal of 140664345433 is 334543466041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114195333184 + 26469012249 = 337928^2 + 162693^2 .

It is a cyclic number.

It is not a de Polignac number, because 140664345433 - 2¹³ = 140664337241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140664345433.

It is not a weakly prime, because it can be changed into another prime (140664342433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70332172716 + 70332172717.

It is an arithmetic number, because the mean of its divisors is an integer number (70332172717).

Almost surely, 2^140664345433 is an apocalyptic number.

It is an amenable number.

140664345433 is a deficient number, since it is larger than the sum of its proper divisors (1).

140664345433 is an equidigital number, since it uses as much as digits as its factorization.

140664345433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 140664345433 in words is "one hundred forty billion, six hundred sixty-four million, three hundred forty-five thousand, four hundred thirty-three".