140424617 has 2 divisors, whose sum is σ = 140424618. Its totient is φ = 140424616.

The previous prime is 140424593. The next prime is 140424671. The reversal of 140424617 is 716424041.

It is a happy number.

Together with next prime (140424671) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114404416 + 26020201 = 10696^2 + 5101^2 .

It is an emirp because it is prime and its reverse (716424041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140424617 - 2¹⁰ = 140423593 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140424617.

It is not a weakly prime, because it can be changed into another prime (140424517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70212308 + 70212309.

It is an arithmetic number, because the mean of its divisors is an integer number (70212309).

Almost surely, 2^140424617 is an apocalyptic number.

It is an amenable number.

140424617 is a deficient number, since it is larger than the sum of its proper divisors (1).

140424617 is an equidigital number, since it uses as much as digits as its factorization.

140424617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 140424617 is about 11850.0893245579. The cubic root of 140424617 is about 519.7738377941.

Adding to 140424617 its reverse (716424041), we get a palindrome (856848658).

The spelling of 140424617 in words is "one hundred forty million, four hundred twenty-four thousand, six hundred seventeen".