540186859 has 2 divisors, whose sum is σ = 540186860. Its totient is φ = 540186858.

The previous prime is 540186851. The next prime is 540186863. The reversal of 540186859 is 958681045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540186859 - 2³ = 540186851 is a prime.

It is a super-3 number, since 3×540186859³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (540186851) 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 as a sum of consecutive naturals, namely, 270093429 + 270093430.

It is an arithmetic number, because the mean of its divisors is an integer number (270093430).

Almost surely, 2^540186859 is an apocalyptic number.

540186859 is a deficient number, since it is larger than the sum of its proper divisors (1).

540186859 is an equidigital number, since it uses as much as digits as its factorization.

540186859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 540186859 is about 23241.9202950187. The cubic root of 540186859 is about 814.4192025466.

The spelling of 540186859 in words is "five hundred forty million, one hundred eighty-six thousand, eight hundred fifty-nine".