540304131 has 8 divisors (see below), whose sum is σ = 720514240. Its totient is φ = 360148392.

The previous prime is 540304103. The next prime is 540304139. The reversal of 540304131 is 131403045.

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

It is not a de Polignac number, because 540304131 - 2⁵ = 540304099 is a prime.

It is a super-2 number, since 2×540304131² = 583857107951330322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540304098 and 540304107.

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 7 ways as a sum of consecutive naturals, for example, 26460 + ... + 42198.

It is an arithmetic number, because the mean of its divisors is an integer number (90064280).

Almost surely, 2^540304131 is an apocalyptic number.

540304131 is a deficient number, since it is larger than the sum of its proper divisors (180210109).

540304131 is a wasteful number, since it uses less digits than its factorization.

540304131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27185.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 540304131 is about 23244.4430133312. The cubic root of 540304131 is about 814.4781337951.

Adding to 540304131 its reverse (131403045), we get a palindrome (671707176).

The spelling of 540304131 in words is "five hundred forty million, three hundred four thousand, one hundred thirty-one".