540656039 has 16 divisors (see below), whose sum is σ = 709543680. Its totient is φ = 399116160.

The previous prime is 540656029. The next prime is 540656041. The reversal of 540656039 is 930656045.

It is a cyclic number.

It is not a de Polignac number, because 540656039 - 2¹⁶ = 540590503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540655993 and 540656011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540656029) 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 15 ways as a sum of consecutive naturals, for example, 183314 + ... + 186239.

It is an arithmetic number, because the mean of its divisors is an integer number (44346480).

Almost surely, 2^540656039 is an apocalyptic number.

540656039 is a deficient number, since it is larger than the sum of its proper divisors (168887641).

540656039 is a wasteful number, since it uses less digits than its factorization.

540656039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369590.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 540656039 is about 23252.0115043839. The cubic root of 540656039 is about 814.6549226012.

The spelling of 540656039 in words is "five hundred forty million, six hundred fifty-six thousand, thirty-nine".