136618168 has 16 divisors (see below), whose sum is σ = 256878000. Its totient is φ = 68117376.

The previous prime is 136618127. The next prime is 136618169. The reversal of 136618168 is 861816631.

It is a self number, because there is not a number n which added to its sum of digits gives 136618168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136618169) 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, 20913 + ... + 26656.

It is an arithmetic number, because the mean of its divisors is an integer number (16054875).

Almost surely, 2^136618168 is an apocalyptic number.

It is an amenable number.

136618168 is a deficient number, since it is larger than the sum of its proper divisors (120259832).

136618168 is a wasteful number, since it uses less digits than its factorization.

136618168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47934 (or 47930 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 136618168 is about 11688.3774750818. The cubic root of 136618168 is about 515.0342994091.

The spelling of 136618168 in words is "one hundred thirty-six million, six hundred eighteen thousand, one hundred sixty-eight".