1138594 has 16 divisors (see below), whose sum is σ = 1824480. Its totient is φ = 532836.

The previous prime is 1138591. The next prime is 1138637. The reversal of 1138594 is 4958311.

It is an Ulam number.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13677 + ... + 13759.

It is an arithmetic number, because the mean of its divisors is an integer number (114030).

2^1138594 is an apocalyptic number.

1138594 is a deficient number, since it is larger than the sum of its proper divisors (685886).

1138594 is an frugal number, since it uses more digits than its factorization.

1138594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 104 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 1138594 is about 1067.0492022395. The cubic root of 1138594 is about 104.4214285418.

The spelling of 1138594 in words is "one million, one hundred thirty-eight thousand, five hundred ninety-four".