930138 has 32 divisors (see below), whose sum is σ = 2151360. Its totient is φ = 264960.

The previous prime is 930119. The next prime is 930157. The reversal of 930138 is 831039.

930138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (930119) and next prime (930157).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708 + ... + 1536.

It is an arithmetic number, because the mean of its divisors is an integer number (67230).

2⁹³⁰¹³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 930138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075680).

930138 is an abundant number, since it is smaller than the sum of its proper divisors (1221222).

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

930138 is a wasteful number, since it uses less digits than its factorization.

930138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 930138 is about 964.4366231122. The cubic root of 930138 is about 97.6148285496.

Subtracting from 930138 its reverse (831039), we obtain a palindrome (99099).

It can be divided in two parts, 9301 and 38, that added together give a palindrome (9339).

The spelling of 930138 in words is "nine hundred thirty thousand, one hundred thirty-eight".