100534518 has 96 divisors (see below), whose sum is σ = 262918656. Its totient is φ = 27143424.

The previous prime is 100534517. The next prime is 100534543. The reversal of 100534518 is 815435001.

It is a junction number, because it is equal to n+sod(n) for n = 100534491 and 100534500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100534517) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 327321 + ... + 327627.

It is an arithmetic number, because the mean of its divisors is an integer number (2738736).

Almost surely, 2^100534518 is an apocalyptic number.

100534518 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100534518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131459328).

100534518 is an abundant number, since it is smaller than the sum of its proper divisors (162384138).

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

100534518 is a wasteful number, since it uses less digits than its factorization.

100534518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 100534518 is about 10026.6902814438. The cubic root of 100534518 is about 464.9844184859.

Adding to 100534518 its reverse (815435001), we get a palindrome (915969519).

The spelling of 100534518 in words is "one hundred million, five hundred thirty-four thousand, five hundred eighteen".