136435818 has 16 divisors (see below), whose sum is σ = 279218016. Its totient is φ = 44420880.

The previous prime is 136435813. The next prime is 136435841. The reversal of 136435818 is 818534631.

It is a super-2 number, since 2×136435818² = 37229464866658248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136435811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264153 + ... + 264668.

It is an arithmetic number, because the mean of its divisors is an integer number (17451126).

Almost surely, 2^136435818 is an apocalyptic number.

136435818 is an abundant number, since it is smaller than the sum of its proper divisors (142782198).

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

136435818 is a wasteful number, since it uses less digits than its factorization.

136435818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528869.

The product of its digits is 69120, while the sum is 39.

The square root of 136435818 is about 11680.5743865616. The cubic root of 136435818 is about 514.8050514215.

The spelling of 136435818 in words is "one hundred thirty-six million, four hundred thirty-five thousand, eight hundred eighteen".