11364138 has 48 divisors (see below), whose sum is σ = 25989600. Its totient is φ = 3720816.

The previous prime is 11364137. The next prime is 11364163. The reversal of 11364138 is 83146311.

11364138 is a `hidden beast` number, since 1 + 13 + 641 + 3 + 8 = 666.

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 (11364137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32388 + ... + 32736.

It is an arithmetic number, because the mean of its divisors is an integer number (541450).

It is a vampire number, since it can be written as 3141 ⋅ 3618 (with its own digits).

Almost surely, 2^11364138 is an apocalyptic number.

11364138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11364138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12994800).

11364138 is an abundant number, since it is smaller than the sum of its proper divisors (14625462).

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

11364138 is an equidigital number, since it uses as much as digits as its factorization.

11364138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 421 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 11364138 is about 3371.0737161919. The cubic root of 11364138 is about 224.8254646457.

The spelling of 11364138 in words is "eleven million, three hundred sixty-four thousand, one hundred thirty-eight".