1100100138 has 8 divisors (see below), whose sum is σ = 2200200288. Its totient is φ = 366700044.

The previous prime is 1100100137. The next prime is 1100100149. The reversal of 1100100138 is 8310010011.

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

1100100138 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1100100137) 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, 91675006 + ... + 91675017.

It is an arithmetic number, because the mean of its divisors is an integer number (275025036).

Almost surely, 2^1100100138 is an apocalyptic number.

1100100138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1100100138 is a wasteful number, since it uses less digits than its factorization.

1100100138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183350028.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1100100138 is about 33167.7575063494. The cubic root of 1100100138 is about 1032.3114388896.

Adding to 1100100138 its reverse (8310010011), we get a palindrome (9410110149).

The spelling of 1100100138 in words is "one billion, one hundred million, one hundred thousand, one hundred thirty-eight".