1100806138 has 8 divisors (see below), whose sum is σ = 1651392288. Its totient is φ = 550342044.

The previous prime is 1100806127. The next prime is 1100806139. The reversal of 1100806138 is 8316080011.

It is a happy number.

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 (1100806139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3006 + ... + 47017.

It is an arithmetic number, because the mean of its divisors is an integer number (206424036).

Almost surely, 2^1100806138 is an apocalyptic number.

1100806138 is a deficient number, since it is larger than the sum of its proper divisors (550586150).

1100806138 is a wasteful number, since it uses less digits than its factorization.

1100806138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61028.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 1100806138 is about 33178.3986653967. The cubic root of 1100806138 is about 1032.5322236463.

Adding to 1100806138 its reverse (8316080011), we get a palindrome (9416886149).

The spelling of 1100806138 in words is "one billion, one hundred million, eight hundred six thousand, one hundred thirty-eight".