1138595 has 4 divisors (see below), whose sum is σ = 1366320. Its totient is φ = 910872.

The previous prime is 1138591. The next prime is 1138637. The reversal of 1138595 is 5958311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1138595 - 2² = 1138591 is a prime.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (1138591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113855 + ... + 113864.

It is an arithmetic number, because the mean of its divisors is an integer number (341580).

2^1138595 is an apocalyptic number.

1138595 is a deficient number, since it is larger than the sum of its proper divisors (227725).

1138595 is an equidigital number, since it uses as much as digits as its factorization.

1138595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227724.

The product of its digits is 5400, while the sum is 32.

The square root of 1138595 is about 1067.0496708214. The cubic root of 1138595 is about 104.4214591121.

The spelling of 1138595 in words is "one million, one hundred thirty-eight thousand, five hundred ninety-five".