540130565 has 8 divisors (see below), whose sum is σ = 698014968. Its totient is φ = 398865600.

The previous prime is 540130561. The next prime is 540130567. The reversal of 540130565 is 565031045.

It can be written as a sum of positive squares in 4 ways, for example, as 1844164 + 538286401 = 1358^2 + 23201^2 .

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

It is not a de Polignac number, because 540130565 - 2² = 540130561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540130561) 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, 4154786 + ... + 4154915.

It is an arithmetic number, because the mean of its divisors is an integer number (87251871).

Almost surely, 2^540130565 is an apocalyptic number.

It is an amenable number.

540130565 is a deficient number, since it is larger than the sum of its proper divisors (157884403).

540130565 is a wasteful number, since it uses less digits than its factorization.

540130565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8309719.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 540130565 is about 23240.7092189546. The cubic root of 540130565 is about 814.3909107889.

The spelling of 540130565 in words is "five hundred forty million, one hundred thirty thousand, five hundred sixty-five".