9139230 has 48 divisors (see below), whose sum is σ = 24648624. Its totient is φ = 2436480.

The previous prime is 9139219. The next prime is 9139231. The reversal of 9139230 is 329319.

9139230 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9139194 and 9139203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9139231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 550 + ... + 4310.

It is an arithmetic number, because the mean of its divisors is an integer number (513513).

Almost surely, 2^9139230 is an apocalyptic number.

9139230 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9139230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12324312).

9139230 is an abundant number, since it is smaller than the sum of its proper divisors (15509394).

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

9139230 is a wasteful number, since it uses less digits than its factorization.

9139230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783 (or 3771 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 9139230 is about 3023.1159422027. The cubic root of 9139230 is about 209.0755280546.

The spelling of 9139230 in words is "nine million, one hundred thirty-nine thousand, two hundred thirty".