104135065 has 4 divisors (see below), whose sum is σ = 124962084. Its totient is φ = 83308048.

The previous prime is 104135063. The next prime is 104135069. The reversal of 104135065 is 560531401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560531401 = 29 ⋅19328669.

It can be written as a sum of positive squares in 2 ways, for example, as 39300361 + 64834704 = 6269^2 + 8052^2 .

It is a cyclic number.

It is not a de Polignac number, because 104135065 - 2¹ = 104135063 is a prime.

It is a super-2 number, since 2×104135065² = 21688223525108450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104135063) 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, 10413502 + ... + 10413511.

It is an arithmetic number, because the mean of its divisors is an integer number (31240521).

Almost surely, 2^104135065 is an apocalyptic number.

It is an amenable number.

104135065 is a deficient number, since it is larger than the sum of its proper divisors (20827019).

104135065 is an equidigital number, since it uses as much as digits as its factorization.

104135065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20827018.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 104135065 is about 10204.6589849931. The cubic root of 104135065 is about 470.4704283370.

Adding to 104135065 its reverse (560531401), we get a palindrome (664666466).

The spelling of 104135065 in words is "one hundred four million, one hundred thirty-five thousand, sixty-five".