136533018 has 16 divisors (see below), whose sum is σ = 289128960. Its totient is φ = 42833856.

The previous prime is 136533013. The next prime is 136533053. The reversal of 136533018 is 810335631.

It is not an unprimeable number, because it can be changed into a prime (136533013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669178 + ... + 669381.

It is an arithmetic number, because the mean of its divisors is an integer number (18070560).

Almost surely, 2^136533018 is an apocalyptic number.

136533018 is an abundant number, since it is smaller than the sum of its proper divisors (152595942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136533018 is a wasteful number, since it uses less digits than its factorization.

136533018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338581.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 136533018 is about 11684.7344000623. The cubic root of 136533018 is about 514.9272753688.

Adding to 136533018 its reverse (810335631), we get a palindrome (946868649).

The spelling of 136533018 in words is "one hundred thirty-six million, five hundred thirty-three thousand, eighteen".