100409113 has 4 divisors (see below), whose sum is σ = 114753280. Its totient is φ = 86064948.

The previous prime is 100409087. The next prime is 100409119. The reversal of 100409113 is 311904001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100409113 - 2⁹ = 100408601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100409119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7172073 + ... + 7172086.

It is an arithmetic number, because the mean of its divisors is an integer number (28688320).

Almost surely, 2^100409113 is an apocalyptic number.

It is an amenable number.

100409113 is a deficient number, since it is larger than the sum of its proper divisors (14344167).

100409113 is an equidigital number, since it uses as much as digits as its factorization.

100409113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14344166.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 100409113 is about 10020.4347710067. The cubic root of 100409113 is about 464.7910002301.

The spelling of 100409113 in words is "one hundred million, four hundred nine thousand, one hundred thirteen".