540326143 has 16 divisors (see below), whose sum is σ = 645120000. Its totient is φ = 442480896.

The previous prime is 540326141. The next prime is 540326177. The reversal of 540326143 is 341623045.

It is a cyclic number.

It is not a de Polignac number, because 540326143 - 2¹ = 540326141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540326141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199746 + ... + 202432.

It is an arithmetic number, because the mean of its divisors is an integer number (40320000).

Almost surely, 2^540326143 is an apocalyptic number.

540326143 is a deficient number, since it is larger than the sum of its proper divisors (104793857).

540326143 is a wasteful number, since it uses less digits than its factorization.

540326143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 540326143 is about 23244.9164980217. The cubic root of 540326143 is about 814.4891942629.

Adding to 540326143 its reverse (341623045), we get a palindrome (881949188).

The spelling of 540326143 in words is "five hundred forty million, three hundred twenty-six thousand, one hundred forty-three".