11168138 has 8 divisors (see below), whose sum is σ = 16839588. Its totient is φ = 5554944.

The previous prime is 11168137. The next prime is 11168141. The reversal of 11168138 is 83186111.

It can be written as a sum of positive squares in 2 ways, for example, as 11002489 + 165649 = 3317^2 + 407^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11168138.

It is not an unprimeable number, because it can be changed into a prime (11168137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14081 + ... + 14852.

Almost surely, 2^11168138 is an apocalyptic number.

11168138 is a deficient number, since it is larger than the sum of its proper divisors (5671450).

11168138 is a wasteful number, since it uses less digits than its factorization.

11168138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29128.

The product of its digits is 1152, while the sum is 29.

The square root of 11168138 is about 3341.8764190197. The cubic root of 11168138 is about 223.5254222225.

The spelling of 11168138 in words is "eleven million, one hundred sixty-eight thousand, one hundred thirty-eight".