11388134 has 4 divisors (see below), whose sum is σ = 17082204. Its totient is φ = 5694066.

The previous prime is 11388127. The next prime is 11388137. The reversal of 11388134 is 43188311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43188311 = 19 ⋅2273069.

It is a junction number, because it is equal to n+sod(n) for n = 11388097 and 11388106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11388137) 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 as a sum of consecutive naturals, namely, 2847032 + ... + 2847035.

It is an arithmetic number, because the mean of its divisors is an integer number (4270551).

Almost surely, 2^11388134 is an apocalyptic number.

11388134 is a deficient number, since it is larger than the sum of its proper divisors (5694070).

11388134 is an equidigital number, since it uses as much as digits as its factorization.

11388134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5694069.

The product of its digits is 2304, while the sum is 29.

The square root of 11388134 is about 3374.6309427847. The cubic root of 11388134 is about 224.9835971581.

The spelling of 11388134 in words is "eleven million, three hundred eighty-eight thousand, one hundred thirty-four".