540813159 has 8 divisors (see below), whose sum is σ = 801204720. Its totient is φ = 360542088.

The previous prime is 540813157. The next prime is 540813167. The reversal of 540813159 is 951318045.

540813159 is a `hidden beast` number, since 540 + 81 + 31 + 5 + 9 = 666.

It is not a de Polignac number, because 540813159 - 2¹ = 540813157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540813157) 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, 10015032 + ... + 10015085.

It is an arithmetic number, because the mean of its divisors is an integer number (100150590).

Almost surely, 2^540813159 is an apocalyptic number.

540813159 is a deficient number, since it is larger than the sum of its proper divisors (260391561).

540813159 is a wasteful number, since it uses less digits than its factorization.

540813159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20030126 (or 20030120 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 540813159 is about 23255.3898913779. The cubic root of 540813159 is about 814.7338305544.

The spelling of 540813159 in words is "five hundred forty million, eight hundred thirteen thousand, one hundred fifty-nine".