140517 has 12 divisors (see below), whose sum is σ = 218764. Its totient is φ = 86400.

The previous prime is 140477. The next prime is 140521. The reversal of 140517 is 715041.

It can be written as a sum of positive squares in 2 ways, for example, as 6561 + 133956 = 81^2 + 366^2 .

It is not a de Polignac number, because 140517 - 2⁶ = 140453 is a prime.

It is a plaindrome in base 7.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 140517.

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 140517.

It is not an unprimeable number, because it can be changed into a prime (140527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484 + ... + 717.

2¹⁴⁰⁵¹⁷ is an apocalyptic number.

It is an amenable number.

140517 is a deficient number, since it is larger than the sum of its proper divisors (78247).

140517 is a wasteful number, since it uses less digits than its factorization.

140517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220 (or 1217 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 140517 is about 374.8559723414. The cubic root of 140517 is about 51.9887796304.

Adding to 140517 its reverse (715041), we get a palindrome (855558).

The spelling of 140517 in words is "one hundred forty thousand, five hundred seventeen".