1138185 has 16 divisors (see below), whose sum is σ = 2023680. Its totient is φ = 606960.

The previous prime is 1138183. The next prime is 1138213. The reversal of 1138185 is 5818311.

It is not a de Polignac number, because 1138185 - 2¹ = 1138183 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1138183) 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, 4081 + ... + 4350.

It is an arithmetic number, because the mean of its divisors is an integer number (126480).

2^1138185 is an apocalyptic number.

1138185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1138185 is a deficient number, since it is larger than the sum of its proper divisors (885495).

1138185 is an equidigital number, since it uses as much as digits as its factorization.

1138185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8445 (or 8439 counting only the distinct ones).

The product of its digits is 960, while the sum is 27.

The square root of 1138185 is about 1066.8575350064. The cubic root of 1138185 is about 104.4089237979.

The spelling of 1138185 in words is "one million, one hundred thirty-eight thousand, one hundred eighty-five".