540133 has 4 divisors (see below), whose sum is σ = 589248. Its totient is φ = 491020.

The previous prime is 540121. The next prime is 540139. The reversal of 540133 is 331045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 540133 - 2⁵ = 540101 is a prime.

540133 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24541 + ... + 24562.

It is an arithmetic number, because the mean of its divisors is an integer number (147312).

2⁵⁴⁰¹³³ is an apocalyptic number.

It is an amenable number.

540133 is a deficient number, since it is larger than the sum of its proper divisors (49115).

540133 is a wasteful number, since it uses less digits than its factorization.

540133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49114.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 540133 is about 734.9374123012. The cubic root of 540133 is about 81.4392134591.

Adding to 540133 its reverse (331045), we get a palindrome (871178).

The spelling of 540133 in words is "five hundred forty thousand, one hundred thirty-three".