140189 has 6 divisors (see below), whose sum is σ = 163134. Its totient is φ = 120120.

The previous prime is 140177. The next prime is 140191. The reversal of 140189 is 981041.

140189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 122500 + 17689 = 350^2 + 133^2 .

It is not a de Polignac number, because 140189 - 2¹² = 136093 is a prime.

It is a Duffinian number.

140189 is a modest number, since divided by 189 gives 140 as remainder.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1382 + ... + 1479.

It is an arithmetic number, because the mean of its divisors is an integer number (27189).

2¹⁴⁰¹⁸⁹ is an apocalyptic number.

It is an amenable number.

140189 is a deficient number, since it is larger than the sum of its proper divisors (22945).

140189 is an equidigital number, since it uses as much as digits as its factorization.

140189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875 (or 2868 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 140189 is about 374.4182153689. The cubic root of 140189 is about 51.9482967350.

The spelling of 140189 in words is "one hundred forty thousand, one hundred eighty-nine".