140561322073 has 2 divisors, whose sum is σ = 140561322074. Its totient is φ = 140561322072.

The previous prime is 140561322049. The next prime is 140561322079. The reversal of 140561322073 is 370223165041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113873852304 + 26687469769 = 337452^2 + 163363^2 .

It is a cyclic number.

It is not a de Polignac number, because 140561322073 - 2²¹ = 140559224921 is a prime.

It is not a weakly prime, because it can be changed into another prime (140561322079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70280661036 + 70280661037.

It is an arithmetic number, because the mean of its divisors is an integer number (70280661037).

Almost surely, 2^140561322073 is an apocalyptic number.

It is an amenable number.

140561322073 is a deficient number, since it is larger than the sum of its proper divisors (1).

140561322073 is an equidigital number, since it uses as much as digits as its factorization.

140561322073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 140561322073 in words is "one hundred forty billion, five hundred sixty-one million, three hundred twenty-two thousand, seventy-three".