136087818 has 16 divisors (see below), whose sum is σ = 272290656. Its totient is φ = 45343440.

The previous prime is 136087817. The next prime is 136087867. The reversal of 136087818 is 818780631.

It is a super-3 number, since 3×136087818³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 136087818.

It is not an unprimeable number, because it can be changed into a prime (136087817) 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, 22905 + ... + 28227.

It is an arithmetic number, because the mean of its divisors is an integer number (17018166).

Almost surely, 2^136087818 is an apocalyptic number.

136087818 is an abundant number, since it is smaller than the sum of its proper divisors (136202838).

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

136087818 is a wasteful number, since it uses less digits than its factorization.

136087818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9589.

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 136087818 is about 11665.6683477630. The cubic root of 136087818 is about 514.3669829463.

The spelling of 136087818 in words is "one hundred thirty-six million, eighty-seven thousand, eight hundred eighteen".