118137108 has 24 divisors (see below), whose sum is σ = 287638848. Its totient is φ = 37666816.

The previous prime is 118137091. The next prime is 118137109. The reversal of 118137108 is 801731811.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118137109) 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, 213741 + ... + 214292.

It is an arithmetic number, because the mean of its divisors is an integer number (11984952).

Almost surely, 2^118137108 is an apocalyptic number.

It is an amenable number.

118137108 is an abundant number, since it is smaller than the sum of its proper divisors (169501740).

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

118137108 is a wasteful number, since it uses less digits than its factorization.

118137108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428063 (or 428061 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 30.

The square root of 118137108 is about 10869.0895662884. The cubic root of 118137108 is about 490.6767104300.

Adding to 118137108 its reverse (801731811), we get a palindrome (919868919).

The spelling of 118137108 in words is "one hundred eighteen million, one hundred thirty-seven thousand, one hundred eight".