9102138 has 8 divisors (see below), whose sum is σ = 18204288. Its totient is φ = 3034044.

The previous prime is 9102131. The next prime is 9102139. The reversal of 9102138 is 8312019.

9102138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

9102138 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (9102131) 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, 758506 + ... + 758517.

It is an arithmetic number, because the mean of its divisors is an integer number (2275536).

Almost surely, 2^9102138 is an apocalyptic number.

9102138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9102138 is a wasteful number, since it uses less digits than its factorization.

9102138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517028.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 9102138 is about 3016.9749750371. The cubic root of 9102138 is about 208.7922968782.

The spelling of 9102138 in words is "nine million, one hundred two thousand, one hundred thirty-eight".