140334317 has 2 divisors, whose sum is σ = 140334318. Its totient is φ = 140334316.

The previous prime is 140334289. The next prime is 140334331. The reversal of 140334317 is 713433041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70795396 + 69538921 = 8414^2 + 8339^2 .

It is a cyclic number.

It is not a de Polignac number, because 140334317 - 2⁶ = 140334253 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140334367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70167158 + 70167159.

It is an arithmetic number, because the mean of its divisors is an integer number (70167159).

Almost surely, 2^140334317 is an apocalyptic number.

It is an amenable number.

140334317 is a deficient number, since it is larger than the sum of its proper divisors (1).

140334317 is an equidigital number, since it uses as much as digits as its factorization.

140334317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 140334317 is about 11846.2786139783. The cubic root of 140334317 is about 519.6624004436.

Adding to 140334317 its reverse (713433041), we get a palindrome (853767358).

The spelling of 140334317 in words is "one hundred forty million, three hundred thirty-four thousand, three hundred seventeen".