100208136 has 160 divisors (see below), whose sum is σ = 306541440. Its totient is φ = 27264384.

The previous prime is 100208123. The next prime is 100208161. The reversal of 100208136 is 631802001.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2132065 + ... + 2132111.

It is an arithmetic number, because the mean of its divisors is an integer number (1915884).

Almost surely, 2^100208136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100208136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153270720).

100208136 is an abundant number, since it is smaller than the sum of its proper divisors (206333304).

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

100208136 is an equidigital number, since it uses as much as digits as its factorization.

100208136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 100208136 is about 10010.4013905537. The cubic root of 100208136 is about 464.4806874455.

The spelling of 100208136 in words is "one hundred million, two hundred eight thousand, one hundred thirty-six".