136810568 has 8 divisors (see below), whose sum is σ = 256519830. Its totient is φ = 68405280.

The previous prime is 136810549. The next prime is 136810573. The reversal of 136810568 is 865018631.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 93276964 + 43533604 = 9658^2 + 6598^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8550653 + ... + 8550668.

Almost surely, 2^136810568 is an apocalyptic number.

It is an amenable number.

136810568 is a deficient number, since it is larger than the sum of its proper divisors (119709262).

136810568 is a wasteful number, since it uses less digits than its factorization.

136810568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17101327 (or 17101323 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 136810568 is about 11696.6049775138. The cubic root of 136810568 is about 515.2759610648.

The spelling of 136810568 in words is "one hundred thirty-six million, eight hundred ten thousand, five hundred sixty-eight".