135316818 has 160 divisors (see below), whose sum is σ = 381515904. Its totient is φ = 34898688.

The previous prime is 135316817. The next prime is 135316859. The reversal of 135316818 is 818613531.

It is not an unprimeable number, because it can be changed into a prime (135316817) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 987646 + ... + 987782.

Almost surely, 2^135316818 is an apocalyptic number.

135316818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 135316818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190757952).

135316818 is an abundant number, since it is smaller than the sum of its proper divisors (246199086).

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

135316818 is a wasteful number, since it uses less digits than its factorization.

135316818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 229 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 135316818 is about 11632.5757250920. The cubic root of 135316818 is about 513.3937676454.

The spelling of 135316818 in words is "one hundred thirty-five million, three hundred sixteen thousand, eight hundred eighteen".