140120073217 has 2 divisors, whose sum is σ = 140120073218. Its totient is φ = 140120073216.

The previous prime is 140120073211. The next prime is 140120073239. The reversal of 140120073217 is 712370021041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134017495056 + 6102578161 = 366084^2 + 78119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140120073217 is a prime.

It is not a weakly prime, because it can be changed into another prime (140120073211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70060036608 + 70060036609.

It is an arithmetic number, because the mean of its divisors is an integer number (70060036609).

Almost surely, 2^140120073217 is an apocalyptic number.

It is an amenable number.

140120073217 is a deficient number, since it is larger than the sum of its proper divisors (1).

140120073217 is an equidigital number, since it uses as much as digits as its factorization.

140120073217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

Adding to 140120073217 its reverse (712370021041), we get a palindrome (852490094258).

The spelling of 140120073217 in words is "one hundred forty billion, one hundred twenty million, seventy-three thousand, two hundred seventeen".