115138008 has 96 divisors (see below), whose sum is σ = 333590400. Its totient is φ = 35748864.

The previous prime is 115138003. The next prime is 115138021. The reversal of 115138008 is 800831511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115138003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132985 + ... + 133847.

It is an arithmetic number, because the mean of its divisors is an integer number (3474900).

Almost surely, 2^115138008 is an apocalyptic number.

115138008 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 115138008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166795200).

115138008 is an abundant number, since it is smaller than the sum of its proper divisors (218452392).

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

115138008 is a wasteful number, since it uses less digits than its factorization.

115138008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 115138008 is about 10730.2380215911. The cubic root of 115138008 is about 486.4888643868.

Adding to 115138008 its reverse (800831511), we get a palindrome (915969519).

The spelling of 115138008 in words is "one hundred fifteen million, one hundred thirty-eight thousand, eight".