540189 has 32 divisors (see below), whose sum is σ = 918400. Its totient is φ = 314928.

The previous prime is 540187. The next prime is 540203. The reversal of 540189 is 981045.

540189 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 540189 - 2¹ = 540187 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28422 + ... + 28440.

It is an arithmetic number, because the mean of its divisors is an integer number (28700).

2⁵⁴⁰¹⁸⁹ is an apocalyptic number.

It is an amenable number.

540189 is a deficient number, since it is larger than the sum of its proper divisors (378211).

540189 is an equidigital number, since it uses as much as digits as its factorization.

540189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53 (or 35 counting only the distinct ones).

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

The square root of 540189 is about 734.9755097961. The cubic root of 540189 is about 81.4420278513.

It can be divided in two parts, 540 and 189, that added together give a 6-th power (729 = 3⁶).

The spelling of 540189 in words is "five hundred forty thousand, one hundred eighty-nine".