543140 has 24 divisors (see below), whose sum is σ = 1228920. Its totient is φ = 200448.

The previous prime is 543139. The next prime is 543143. The reversal of 543140 is 41345.

It can be written as a sum of positive squares in 4 ways, for example, as 61504 + 481636 = 248^2 + 694^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 543140.

It is not an unprimeable number, because it can be changed into a prime (543143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785 + ... + 1304.

It is an arithmetic number, because the mean of its divisors is an integer number (51205).

2⁵⁴³¹⁴⁰ is an apocalyptic number.

It is an amenable number.

543140 is an abundant number, since it is smaller than the sum of its proper divisors (685780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

543140 is a wasteful number, since it uses less digits than its factorization.

543140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111 (or 2109 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 543140 is about 736.9803253819. The cubic root of 543140 is about 81.5900619064.

Adding to 543140 its reverse (41345), we get a palindrome (584485).

The spelling of 543140 in words is "five hundred forty-three thousand, one hundred forty".