540060909 has 4 divisors (see below), whose sum is σ = 720081216. Its totient is φ = 360040604.

The previous prime is 540060893. The next prime is 540060923. The reversal of 540060909 is 909060045.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 540060909 - 2⁴ = 540060893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540060909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540062909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90010149 + ... + 90010154.

It is an arithmetic number, because the mean of its divisors is an integer number (180020304).

Almost surely, 2^540060909 is an apocalyptic number.

It is an amenable number.

540060909 is a deficient number, since it is larger than the sum of its proper divisors (180020307).

540060909 is a wasteful number, since it uses less digits than its factorization.

540060909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180020306.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 540060909 is about 23239.2105933054. The cubic root of 540060909 is about 814.3559009501.

The spelling of 540060909 in words is "five hundred forty million, sixty thousand, nine hundred nine".