540045239 has 4 divisors (see below), whose sum is σ = 571812624. Its totient is φ = 508277856.

The previous prime is 540045223. The next prime is 540045251. The reversal of 540045239 is 932540045.

It is a happy number.

540045239 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 540045239 - 2⁴ = 540045223 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 (540045739) 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, 15883667 + ... + 15883700.

It is an arithmetic number, because the mean of its divisors is an integer number (142953156).

Almost surely, 2^540045239 is an apocalyptic number.

540045239 is a deficient number, since it is larger than the sum of its proper divisors (31767385).

540045239 is a wasteful number, since it uses less digits than its factorization.

540045239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31767384.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 540045239 is about 23238.8734451565. The cubic root of 540045239 is about 814.3480246284.

The spelling of 540045239 in words is "five hundred forty million, forty-five thousand, two hundred thirty-nine".