140017 has 4 divisors (see below), whose sum is σ = 141040. Its totient is φ = 138996.

The previous prime is 140009. The next prime is 140053. The reversal of 140017 is 710041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 710041 = 53 ⋅13397.

It is a cyclic number.

It is not a de Polignac number, because 140017 - 2³ = 140009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139979 and 140006.

It is not an unprimeable number, because it can be changed into a prime (140057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267 + ... + 592.

It is an arithmetic number, because the mean of its divisors is an integer number (35260).

2¹⁴⁰⁰¹⁷ is an apocalyptic number.

It is an amenable number.

140017 is a deficient number, since it is larger than the sum of its proper divisors (1023).

140017 is an equidigital number, since it uses as much as digits as its factorization.

140017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 140017 is about 374.1884551934. The cubic root of 140017 is about 51.9270426573.

Adding to 140017 its reverse (710041), we get a palindrome (850058).

The spelling of 140017 in words is "one hundred forty thousand, seventeen", and thus it is an iban number.