11345138 has 8 divisors (see below), whose sum is σ = 19448832. Its totient is φ = 4862196.

The previous prime is 11345093. The next prime is 11345143. The reversal of 11345138 is 83154311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 405170 + ... + 405197.

It is an arithmetic number, because the mean of its divisors is an integer number (2431104).

Almost surely, 2^11345138 is an apocalyptic number.

11345138 is a deficient number, since it is larger than the sum of its proper divisors (8103694).

11345138 is an equidigital number, since it uses as much as digits as its factorization.

11345138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810376.

The product of its digits is 1440, while the sum is 26.

The square root of 11345138 is about 3368.2544440704. The cubic root of 11345138 is about 224.7000975571.

Adding to 11345138 its reverse (83154311), we get a palindrome (94499449).

The spelling of 11345138 in words is "eleven million, three hundred forty-five thousand, one hundred thirty-eight".