4512135205 has 8 divisors (see below), whose sum is σ = 5431644792. Its totient is φ = 3598319808.

The previous prime is 4512135149. The next prime is 4512135217. The reversal of 4512135205 is 5025312154.

It can be written as a sum of positive squares in 4 ways, for example, as 279591841 + 4232543364 = 16721^2 + 65058^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4512135205 - 2⁷ = 4512135077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421802 + ... + 1424971.

It is an arithmetic number, because the mean of its divisors is an integer number (678955599).

Almost surely, 2^4512135205 is an apocalyptic number.

It is an amenable number.

4512135205 is a deficient number, since it is larger than the sum of its proper divisors (919509587).

4512135205 is a wasteful number, since it uses less digits than its factorization.

4512135205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847095.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 4512135205 is about 67172.4289050203. The cubic root of 4512135205 is about 1652.4463503448.

Adding to 4512135205 its reverse (5025312154), we get a palindrome (9537447359).

The spelling of 4512135205 in words is "four billion, five hundred twelve million, one hundred thirty-five thousand, two hundred five".