5140404565 has 4 divisors (see below), whose sum is σ = 6168485484. Its totient is φ = 4112323648.

The previous prime is 5140404557. The next prime is 5140404569. The reversal of 5140404565 is 5654040415.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4084999396 + 1055405169 = 63914^2 + 32487^2 .

It is a cyclic number.

It is not a de Polignac number, because 5140404565 - 2³ = 5140404557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5140404565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5140404569) 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, 514040452 + ... + 514040461.

It is an arithmetic number, because the mean of its divisors is an integer number (1542121371).

Almost surely, 2^5140404565 is an apocalyptic number.

It is an amenable number.

5140404565 is a deficient number, since it is larger than the sum of its proper divisors (1028080919).

5140404565 is a wasteful number, since it uses less digits than its factorization.

5140404565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028080918.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 5140404565 is about 71696.6147387727. The cubic root of 5140404565 is about 1725.8343162850.

The spelling of 5140404565 in words is "five billion, one hundred forty million, four hundred four thousand, five hundred sixty-five".