118213308 has 72 divisors (see below), whose sum is σ = 317837520. Its totient is φ = 36917760.

The previous prime is 118213297. The next prime is 118213313. The reversal of 118213308 is 803312811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256198 + ... + 256658.

It is an arithmetic number, because the mean of its divisors is an integer number (4414410).

Almost surely, 2^118213308 is an apocalyptic number.

118213308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118213308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158918760).

118213308 is an abundant number, since it is smaller than the sum of its proper divisors (199624212).

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

118213308 is a wasteful number, since it uses less digits than its factorization.

118213308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 118213308 is about 10872.5943546147. The cubic root of 118213308 is about 490.7821854156.

It can be divided in two parts, 11821 and 3308, that added together give a square (15129 = 123²).

The spelling of 118213308 in words is "one hundred eighteen million, two hundred thirteen thousand, three hundred eight".