90104113 has 4 divisors (see below), whose sum is σ = 98295408. Its totient is φ = 81912820.

The previous prime is 90104111. The next prime is 90104143. The reversal of 90104113 is 31140109.

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 not a de Polignac number, because 90104113 - 2¹ = 90104111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90104111) 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, 4095631 + ... + 4095652.

It is an arithmetic number, because the mean of its divisors is an integer number (24573852).

Almost surely, 2^90104113 is an apocalyptic number.

It is an amenable number.

90104113 is a deficient number, since it is larger than the sum of its proper divisors (8191295).

90104113 is a wasteful number, since it uses less digits than its factorization.

90104113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8191294.

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

The square root of 90104113 is about 9492.3186313988. The cubic root of 90104113 is about 448.3132126912.

The spelling of 90104113 in words is "ninety million, one hundred four thousand, one hundred thirteen".