540165 has 8 divisors (see below), whose sum is σ = 864288. Its totient is φ = 288080.

The previous prime is 540157. The next prime is 540167. The reversal of 540165 is 561045.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 540165 - 2³ = 540157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17991 + ... + 18020.

It is an arithmetic number, because the mean of its divisors is an integer number (108036).

2⁵⁴⁰¹⁶⁵ is an apocalyptic number.

It is an amenable number.

540165 is a deficient number, since it is larger than the sum of its proper divisors (324123).

540165 is a wasteful number, since it uses less digits than its factorization.

540165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36019.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 540165 is about 734.9591825401. The cubic root of 540165 is about 81.4408217071.

The spelling of 540165 in words is "five hundred forty thousand, one hundred sixty-five".