8135506 has 4 divisors (see below), whose sum is σ = 12203262. Its totient is φ = 4067752.

The previous prime is 8135497. The next prime is 8135521. The reversal of 8135506 is 6055318.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6055318 = 2 ⋅3027659.

It can be written as a sum of positive squares in only one way, i.e., 7890481 + 245025 = 2809^2 + 495^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033875 + ... + 2033878.

Almost surely, 2^8135506 is an apocalyptic number.

8135506 is a deficient number, since it is larger than the sum of its proper divisors (4067756).

8135506 is a wasteful number, since it uses less digits than its factorization.

8135506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067755.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 8135506 is about 2852.2808417125. The cubic root of 8135506 is about 201.1229003419.

The spelling of 8135506 in words is "eight million, one hundred thirty-five thousand, five hundred six".