140730798893 has 2 divisors, whose sum is σ = 140730798894. Its totient is φ = 140730798892.

The previous prime is 140730798889. The next prime is 140730798919. The reversal of 140730798893 is 398897037041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140477288809 + 253510084 = 374803^2 + 15922^2 .

It is an emirp because it is prime and its reverse (398897037041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140730798893 - 2² = 140730798889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140730798833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70365399446 + 70365399447.

It is an arithmetic number, because the mean of its divisors is an integer number (70365399447).

Almost surely, 2^140730798893 is an apocalyptic number.

It is an amenable number.

140730798893 is a deficient number, since it is larger than the sum of its proper divisors (1).

140730798893 is an equidigital number, since it uses as much as digits as its factorization.

140730798893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 140730798893 in words is "one hundred forty billion, seven hundred thirty million, seven hundred ninety-eight thousand, eight hundred ninety-three".