540718839 has 12 divisors (see below), whose sum is σ = 781356576. Its totient is φ = 360332352.

The previous prime is 540718819. The next prime is 540718873. The reversal of 540718839 is 938817045.

540718839 is a `hidden beast` number, since 540 + 71 + 8 + 8 + 39 = 666.

It is not a de Polignac number, because 540718839 - 2⁹ = 540718327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 540718794 and 540718803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540718819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14047 + ... + 35759.

It is an arithmetic number, because the mean of its divisors is an integer number (65113048).

Almost surely, 2^540718839 is an apocalyptic number.

540718839 is a deficient number, since it is larger than the sum of its proper divisors (240637737).

540718839 is a wasteful number, since it uses less digits than its factorization.

540718839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24486 (or 24483 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 540718839 is about 23253.3618859725. The cubic root of 540718839 is about 814.6864635100.

The spelling of 540718839 in words is "five hundred forty million, seven hundred eighteen thousand, eight hundred thirty-nine".