10805138 has 8 divisors (see below), whose sum is σ = 16223088. Its totient is φ = 5397444.

The previous prime is 10805131. The next prime is 10805141. The reversal of 10805138 is 83150801.

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

It is not an unprimeable number, because it can be changed into a prime (10805131) 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 3 ways as a sum of consecutive naturals, for example, 1145 + ... + 4787.

It is an arithmetic number, because the mean of its divisors is an integer number (2027886).

Almost surely, 2^10805138 is an apocalyptic number.

10805138 is a deficient number, since it is larger than the sum of its proper divisors (5417950).

10805138 is a wasteful number, since it uses less digits than its factorization.

10805138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 10805138 is about 3287.1169738846. The cubic root of 10805138 is about 221.0769372387.

Adding to 10805138 its reverse (83150801), we get a palindrome (93955939).

The spelling of 10805138 in words is "ten million, eight hundred five thousand, one hundred thirty-eight".