140267717 has 2 divisors, whose sum is σ = 140267718. Its totient is φ = 140267716.

The previous prime is 140267651. The next prime is 140267719. The reversal of 140267717 is 717762041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120143521 + 20124196 = 10961^2 + 4486^2 .

It is a cyclic number.

It is not a de Polignac number, because 140267717 - 2¹⁸ = 140005573 is a prime.

Together with 140267719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140267719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70133858 + 70133859.

It is an arithmetic number, because the mean of its divisors is an integer number (70133859).

Almost surely, 2^140267717 is an apocalyptic number.

It is an amenable number.

140267717 is a deficient number, since it is larger than the sum of its proper divisors (1).

140267717 is an equidigital number, since it uses as much as digits as its factorization.

140267717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 35.

The square root of 140267717 is about 11843.4672710317. The cubic root of 140267717 is about 519.5801801356.

The spelling of 140267717 in words is "one hundred forty million, two hundred sixty-seven thousand, seven hundred seventeen".