136814018 has 16 divisors (see below), whose sum is σ = 227033280. Its totient is φ = 61311600.

The previous prime is 136814009. The next prime is 136814047. The reversal of 136814018 is 810418631.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42233 + ... + 45356.

It is an arithmetic number, because the mean of its divisors is an integer number (14189580).

Almost surely, 2^136814018 is an apocalyptic number.

136814018 is a deficient number, since it is larger than the sum of its proper divisors (90219262).

136814018 is a wasteful number, since it uses less digits than its factorization.

136814018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87673.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 136814018 is about 11696.7524552758. The cubic root of 136814018 is about 515.2802923265.

The spelling of 136814018 in words is "one hundred thirty-six million, eight hundred fourteen thousand, eighteen".