540135143 has 4 divisors (see below), whose sum is σ = 540440880. Its totient is φ = 539829408.

The previous prime is 540135133. The next prime is 540135149. The reversal of 540135143 is 341531045.

540135143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 540135143 - 2⁸ = 540134887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540135149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150203 + ... + 153756.

It is an arithmetic number, because the mean of its divisors is an integer number (135110220).

Almost surely, 2^540135143 is an apocalyptic number.

540135143 is a deficient number, since it is larger than the sum of its proper divisors (305737).

540135143 is a wasteful number, since it uses less digits than its factorization.

540135143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305736.

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

The square root of 540135143 is about 23240.8077097161. The cubic root of 540135143 is about 814.3932116345.

Adding to 540135143 its reverse (341531045), we get a palindrome (881666188).

The spelling of 540135143 in words is "five hundred forty million, one hundred thirty-five thousand, one hundred forty-three".