100136217 has 16 divisors (see below), whose sum is σ = 140019840. Its totient is φ = 63568512.

The previous prime is 100136191. The next prime is 100136237. The reversal of 100136217 is 712631001.

It is not a de Polignac number, because 100136217 - 2¹² = 100132121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100136193 and 100136202.

It is not an unprimeable number, because it can be changed into a prime (100136237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533 + ... + 14234.

It is an arithmetic number, because the mean of its divisors is an integer number (8751240).

Almost surely, 2^100136217 is an apocalyptic number.

It is an amenable number.

100136217 is a deficient number, since it is larger than the sum of its proper divisors (39883623).

100136217 is a wasteful number, since it uses less digits than its factorization.

100136217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15872.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 100136217 is about 10006.8085321945. The cubic root of 100136217 is about 464.3695421746.

Adding to 100136217 its reverse (712631001), we get a palindrome (812767218).

The spelling of 100136217 in words is "one hundred million, one hundred thirty-six thousand, two hundred seventeen".