140217 has 16 divisors (see below), whose sum is σ = 233472. Its totient is φ = 72720.

The previous prime is 140207. The next prime is 140221. The reversal of 140217 is 712041.

140217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140217 - 2¹⁴ = 123833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140196 and 140205.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140217.

It is not an unprimeable number, because it can be changed into a prime (140207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73 + ... + 534.

It is an arithmetic number, because the mean of its divisors is an integer number (14592).

2¹⁴⁰²¹⁷ is an apocalyptic number.

It is an amenable number.

140217 is a deficient number, since it is larger than the sum of its proper divisors (93255).

140217 is a wasteful number, since it uses less digits than its factorization.

140217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 140217 is about 374.4556048452. The cubic root of 140217 is about 51.9517550556.

Adding to 140217 its reverse (712041), we get a palindrome (852258).

It can be divided in two parts, 14021 and 7, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 140217 in words is "one hundred forty thousand, two hundred seventeen", and thus it is an iban number.