136967018 has 4 divisors (see below), whose sum is σ = 205450530. Its totient is φ = 68483508.

The previous prime is 136967003. The next prime is 136967057. The reversal of 136967018 is 810769631.

136967018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 111028369 + 25938649 = 10537^2 + 5093^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34241753 + ... + 34241756.

Almost surely, 2^136967018 is an apocalyptic number.

136967018 is a deficient number, since it is larger than the sum of its proper divisors (68483512).

136967018 is an equidigital number, since it uses as much as digits as its factorization.

136967018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68483511.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 136967018 is about 11703.2909046986. The cubic root of 136967018 is about 515.4723011958.

The spelling of 136967018 in words is "one hundred thirty-six million, nine hundred sixty-seven thousand, eighteen".