540140205 has 32 divisors (see below), whose sum is σ = 944000640. Its totient is φ = 261550080.

The previous prime is 540140149. The next prime is 540140207. The reversal of 540140205 is 502041045.

It is not a de Polignac number, because 540140205 - 2¹⁴ = 540123821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540140207) 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 31 ways as a sum of consecutive naturals, for example, 168861 + ... + 172029.

It is an arithmetic number, because the mean of its divisors is an integer number (29500020).

Almost surely, 2^540140205 is an apocalyptic number.

540140205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

540140205 is a deficient number, since it is larger than the sum of its proper divisors (403860435).

540140205 is a wasteful number, since it uses less digits than its factorization.

540140205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 540140205 is about 23240.9166127328. The cubic root of 540140205 is about 814.3957557172.

The spelling of 540140205 in words is "five hundred forty million, one hundred forty thousand, two hundred five".