540304138 has 8 divisors (see below), whose sum is σ = 884134080. Its totient is φ = 245592780.

The previous prime is 540304103. The next prime is 540304139. The reversal of 540304138 is 831403045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (540304139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12279618 + ... + 12279661.

It is an arithmetic number, because the mean of its divisors is an integer number (110516760).

Almost surely, 2^540304138 is an apocalyptic number.

540304138 is a deficient number, since it is larger than the sum of its proper divisors (343829942).

540304138 is a wasteful number, since it uses less digits than its factorization.

540304138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24559292.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 540304138 is about 23244.4431639048. The cubic root of 540304138 is about 814.4781373125.

The spelling of 540304138 in words is "five hundred forty million, three hundred four thousand, one hundred thirty-eight".