140317 has 2 divisors, whose sum is σ = 140318. Its totient is φ = 140316.

The previous prime is 140297. The next prime is 140321. The reversal of 140317 is 713041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139876 + 441 = 374^2 + 21^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140317 is a prime.

140317 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 140317.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140317.

It is not a weakly prime, because it can be changed into another prime (140417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70158 + 70159.

It is an arithmetic number, because the mean of its divisors is an integer number (70159).

2¹⁴⁰³¹⁷ is an apocalyptic number.

It is an amenable number.

140317 is a deficient number, since it is larger than the sum of its proper divisors (1).

140317 is an equidigital number, since it uses as much as digits as its factorization.

140317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 140317 is about 374.5891082239. The cubic root of 140317 is about 51.9641024432.

Adding to 140317 its reverse (713041), we get a palindrome (853358).

The spelling of 140317 in words is "one hundred forty thousand, three hundred seventeen", and thus it is an iban number.