540113321 has 16 divisors (see below), whose sum is σ = 600333120. Its totient is φ = 481831680.

The previous prime is 540113303. The next prime is 540113381. The reversal of 540113321 is 123311045.

It is not a de Polignac number, because 540113321 - 2¹⁴ = 540096937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540113293 and 540113302.

It is not an unprimeable number, because it can be changed into a prime (540113381) 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 15 ways as a sum of consecutive naturals, for example, 132110 + ... + 136136.

It is an arithmetic number, because the mean of its divisors is an integer number (37520820).

Almost surely, 2^540113321 is an apocalyptic number.

It is an amenable number.

540113321 is a deficient number, since it is larger than the sum of its proper divisors (60219799).

540113321 is a wasteful number, since it uses less digits than its factorization.

540113321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 540113321 is about 23240.3382290362. The cubic root of 540113321 is about 814.3822440533.

Adding to 540113321 its reverse (123311045), we get a palindrome (663424366).

The spelling of 540113321 in words is "five hundred forty million, one hundred thirteen thousand, three hundred twenty-one".