540065239 has 8 divisors (see below), whose sum is σ = 617423360. Its totient is φ = 462758616.

The previous prime is 540065233. The next prime is 540065293. The reversal of 540065239 is 932560045.

540065239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540065239 - 2¹³ = 540057047 is a prime.

It is a super-2 number, since 2×540065239² = 583340924752254242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540065233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13102 + ... + 35380.

It is an arithmetic number, because the mean of its divisors is an integer number (77177920).

Almost surely, 2^540065239 is an apocalyptic number.

540065239 is a deficient number, since it is larger than the sum of its proper divisors (77358121).

540065239 is a wasteful number, since it uses less digits than its factorization.

540065239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25749.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 540065239 is about 23239.3037546309. The cubic root of 540065239 is about 814.3580773414.

The spelling of 540065239 in words is "five hundred forty million, sixty-five thousand, two hundred thirty-nine".