540128 has 12 divisors (see below), whose sum is σ = 1063440. Its totient is φ = 270048.

The previous prime is 540121. The next prime is 540139. The reversal of 540128 is 821045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8408 + ... + 8471.

It is an arithmetic number, because the mean of its divisors is an integer number (88620).

2⁵⁴⁰¹²⁸ is an apocalyptic number.

It is an amenable number.

540128 is a deficient number, since it is larger than the sum of its proper divisors (523312).

540128 is a wasteful number, since it uses less digits than its factorization.

540128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16889 (or 16881 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 540128 is about 734.9340106431. The cubic root of 540128 is about 81.4389621646.

The spelling of 540128 in words is "five hundred forty thousand, one hundred twenty-eight".