11382138 has 24 divisors (see below), whose sum is σ = 24742848. Its totient is φ = 3781512.

The previous prime is 11382113. The next prime is 11382139. The reversal of 11382138 is 83128311.

It is a Curzon number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11382139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5745 + ... + 7467.

It is an arithmetic number, because the mean of its divisors is an integer number (1030952).

Almost surely, 2^11382138 is an apocalyptic number.

11382138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11382138 is an abundant number, since it is smaller than the sum of its proper divisors (13360710).

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

11382138 is a wasteful number, since it uses less digits than its factorization.

11382138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098 (or 2095 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 11382138 is about 3373.7424323739. The cubic root of 11382138 is about 224.9441046339.

The spelling of 11382138 in words is "eleven million, three hundred eighty-two thousand, one hundred thirty-eight".