140589 has 16 divisors (see below), whose sum is σ = 215040. Its totient is φ = 90720.

The previous prime is 140587. The next prime is 140593. The reversal of 140589 is 985041.

It is not a de Polignac number, because 140589 - 2¹ = 140587 is a prime.

It is a super-3 number, since 3×140589³ = 8336337333469407, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140587) 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, 1044 + ... + 1170.

It is an arithmetic number, because the mean of its divisors is an integer number (13440).

2¹⁴⁰⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

140589 is a deficient number, since it is larger than the sum of its proper divisors (74451).

140589 is a wasteful number, since it uses less digits than its factorization.

140589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 140589 is about 374.9519969276. The cubic root of 140589 is about 51.9976576854.

It can be divided in two parts, 140 and 589, that added together give a 6-th power (729 = 3⁶).

The spelling of 140589 in words is "one hundred forty thousand, five hundred eighty-nine".