540143513 has 12 divisors (see below), whose sum is σ = 676664100. Its totient is φ = 427365792.

The previous prime is 540143497. The next prime is 540143519. The reversal of 540143513 is 315341045.

540143513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 43388569 + 496754944 = 6587^2 + 22288^2 .

It is not a de Polignac number, because 540143513 - 2⁴ = 540143497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (540143519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423338 + ... + 424611.

It is an arithmetic number, because the mean of its divisors is an integer number (56388675).

Almost surely, 2^540143513 is an apocalyptic number.

It is an amenable number.

540143513 is a deficient number, since it is larger than the sum of its proper divisors (136520587).

540143513 is a wasteful number, since it uses less digits than its factorization.

540143513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847976 (or 847969 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 540143513 is about 23240.9877802128. The cubic root of 540143513 is about 814.3974182582.

Adding to 540143513 its reverse (315341045), we get a palindrome (855484558).

The spelling of 540143513 in words is "five hundred forty million, one hundred forty-three thousand, five hundred thirteen".