1138138 has 16 divisors (see below), whose sum is σ = 1830240. Its totient is φ = 529200.

The previous prime is 1138127. The next prime is 1138141. The reversal of 1138138 is 8318311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2073 + ... + 2563.

It is an arithmetic number, because the mean of its divisors is an integer number (114390).

2^1138138 is an apocalyptic number.

1138138 is a deficient number, since it is larger than the sum of its proper divisors (692102).

1138138 is a wasteful number, since it uses less digits than its factorization.

1138138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

The product of its digits is 576, while the sum is 25.

The square root of 1138138 is about 1066.8355074706. The cubic root of 1138138 is about 104.4074866306.

The spelling of 1138138 in words is "one million, one hundred thirty-eight thousand, one hundred thirty-eight".