140681340073 has 2 divisors, whose sum is σ = 140681340074. Its totient is φ = 140681340072.

The previous prime is 140681340067. The next prime is 140681340091. The reversal of 140681340073 is 370043186041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121224437929 + 19456902144 = 348173^2 + 139488^2 .

It is an emirp because it is prime and its reverse (370043186041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140681340073 - 2³⁷ = 3242386601 is a prime.

It is not a weakly prime, because it can be changed into another prime (140681340013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70340670036 + 70340670037.

It is an arithmetic number, because the mean of its divisors is an integer number (70340670037).

Almost surely, 2^140681340073 is an apocalyptic number.

It is an amenable number.

140681340073 is a deficient number, since it is larger than the sum of its proper divisors (1).

140681340073 is an equidigital number, since it uses as much as digits as its factorization.

140681340073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 140681340073 in words is "one hundred forty billion, six hundred eighty-one million, three hundred forty thousand, seventy-three".