540403135 has 4 divisors (see below), whose sum is σ = 648483768. Its totient is φ = 432322504.

The previous prime is 540403121. The next prime is 540403151. The reversal of 540403135 is 531304045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 540403135 - 2⁵ = 540403103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 54040309 + ... + 54040318.

It is an arithmetic number, because the mean of its divisors is an integer number (162120942).

Almost surely, 2^540403135 is an apocalyptic number.

540403135 is a deficient number, since it is larger than the sum of its proper divisors (108080633).

540403135 is a wasteful number, since it uses less digits than its factorization.

540403135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108080632.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 540403135 is about 23246.5725430654. The cubic root of 540403135 is about 814.5278784135.

It can be divided in two parts, 54040 and 3135, that added together give a palindrome (57175).

The spelling of 540403135 in words is "five hundred forty million, four hundred three thousand, one hundred thirty-five".