100135218 has 32 divisors (see below), whose sum is σ = 206496576. Its totient is φ = 32352768.

The previous prime is 100135181. The next prime is 100135229. The reversal of 100135218 is 812531001.

It is a junction number, because it is equal to n+sod(n) for n = 100135194 and 100135203.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 33930 + ... + 36762.

It is an arithmetic number, because the mean of its divisors is an integer number (6453018).

Almost surely, 2^100135218 is an apocalyptic number.

100135218 is an abundant number, since it is smaller than the sum of its proper divisors (106361358).

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

100135218 is a wasteful number, since it uses less digits than its factorization.

100135218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 100135218 is about 10006.7586160555. The cubic root of 100135218 is about 464.3679979224.

Adding to 100135218 its reverse (812531001), we get a palindrome (912666219).

The spelling of 100135218 in words is "one hundred million, one hundred thirty-five thousand, two hundred eighteen".