140559 has 4 divisors (see below), whose sum is σ = 187416. Its totient is φ = 93704.

The previous prime is 140557. The next prime is 140587. The reversal of 140559 is 955041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 955041 = 3 ⋅318347.

It is a cyclic number.

It is not a de Polignac number, because 140559 - 2¹ = 140557 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140551) 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, 23424 + ... + 23429.

It is an arithmetic number, because the mean of its divisors is an integer number (46854).

2¹⁴⁰⁵⁵⁹ is an apocalyptic number.

140559 is a deficient number, since it is larger than the sum of its proper divisors (46857).

140559 is an equidigital number, since it uses as much as digits as its factorization.

140559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46856.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 140559 is about 374.9119896722. The cubic root of 140559 is about 51.9939588643.

The spelling of 140559 in words is "one hundred forty thousand, five hundred fifty-nine".