8138130 has 128 divisors (see below), whose sum is σ = 26320896. Its totient is φ = 1555200.

The previous prime is 8138129. The next prime is 8138149. The reversal of 8138130 is 318318.

8138130 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 8138130.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29895 + ... + 30165.

It is an arithmetic number, because the mean of its divisors is an integer number (205632).

Almost surely, 2^8138130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8138130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13160448).

8138130 is an abundant number, since it is smaller than the sum of its proper divisors (18182766).

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

8138130 is a wasteful number, since it uses less digits than its factorization.

8138130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 8138130 is about 2852.7407873832. The cubic root of 8138130 is about 201.1445211958.

The spelling of 8138130 in words is "eight million, one hundred thirty-eight thousand, one hundred thirty".