140216865566807 has 2 divisors, whose sum is σ = 140216865566808. Its totient is φ = 140216865566806.

The previous prime is 140216865566773. The next prime is 140216865566873. The reversal of 140216865566807 is 708665568612041.

It is a weak prime.

It is an emirp because it is prime and its reverse (708665568612041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140216865566807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140216865563807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70108432783403 + 70108432783404.

It is an arithmetic number, because the mean of its divisors is an integer number (70108432783404).

Almost surely, 2^{140216865566807} is an apocalyptic number.

140216865566807 is a deficient number, since it is larger than the sum of its proper divisors (1).

140216865566807 is an equidigital number, since it uses as much as digits as its factorization.

140216865566807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116121600, while the sum is 65.

The spelling of 140216865566807 in words is "one hundred forty trillion, two hundred sixteen billion, eight hundred sixty-five million, five hundred sixty-six thousand, eight hundred seven".