1139358 has 32 divisors (see below), whose sum is σ = 2535552. Its totient is φ = 338400.

The previous prime is 1139353. The next prime is 1139387. The reversal of 1139358 is 8539311.

It is a happy number.

Its product of digits (3240) is a multiple of the sum of its prime divisors (360).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3885 + ... + 4167.

It is an arithmetic number, because the mean of its divisors is an integer number (79236).

2^1139358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1267776).

1139358 is an abundant number, since it is smaller than the sum of its proper divisors (1396194).

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

1139358 is a wasteful number, since it uses less digits than its factorization.

1139358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360.

The product of its digits is 3240, while the sum is 30.

The square root of 1139358 is about 1067.4071388182. The cubic root of 1139358 is about 104.4447790174. Note that the first 3 decimals are identical.

The spelling of 1139358 in words is "one million, one hundred thirty-nine thousand, three hundred fifty-eight".