540613143 has 32 divisors (see below), whose sum is σ = 916945920. Its totient is φ = 308374560.

The previous prime is 540613133. The next prime is 540613147. The reversal of 540613143 is 341316045.

540613143 is a `hidden beast` number, since 5 + 4 + 0 + 613 + 1 + 43 = 666.

It is not a de Polignac number, because 540613143 - 2⁵ = 540613111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540613147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120073 + ... + 124493.

It is an arithmetic number, because the mean of its divisors is an integer number (28654560).

Almost surely, 2^540613143 is an apocalyptic number.

540613143 is a deficient number, since it is larger than the sum of its proper divisors (376332777).

540613143 is a wasteful number, since it uses less digits than its factorization.

540613143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084 (or 5078 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 540613143 is about 23251.0890712672. The cubic root of 540613143 is about 814.6333769485.

Adding to 540613143 its reverse (341316045), we get a palindrome (881929188).

The spelling of 540613143 in words is "five hundred forty million, six hundred thirteen thousand, one hundred forty-three".