118414188 has 18 divisors (see below), whose sum is σ = 299324844. Its totient is φ = 39471384.

The previous prime is 118414187. The next prime is 118414193. The reversal of 118414188 is 881414811.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3289283 = 118414188 / (1 + 1 + 8 + 4 + 1 + 4 + 1 + 8 + 8).

It is not an unprimeable number, because it can be changed into a prime (118414181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1644606 + ... + 1644677.

It is an arithmetic number, because the mean of its divisors is an integer number (16629158).

Almost surely, 2^118414188 is an apocalyptic number.

118414188 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

118414188 is an abundant number, since it is smaller than the sum of its proper divisors (180910656).

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

118414188 is a wasteful number, since it uses less digits than its factorization.

118414188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289293 (or 3289288 counting only the distinct ones).

The product of its digits is 8192, while the sum is 36.

The square root of 118414188 is about 10881.8283390247. The cubic root of 118414188 is about 491.0600236612.

Adding to 118414188 its reverse (881414811), we get a palindrome (999828999).

The spelling of 118414188 in words is "one hundred eighteen million, four hundred fourteen thousand, one hundred eighty-eight".