109044138 has 32 divisors (see below), whose sum is σ = 251159040. Its totient is φ = 30916080.

The previous prime is 109044121. The next prime is 109044139. The reversal of 109044138 is 831440901.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (109044139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4408 + ... + 15411.

It is an arithmetic number, because the mean of its divisors is an integer number (7848720).

Almost surely, 2^109044138 is an apocalyptic number.

109044138 is an abundant number, since it is smaller than the sum of its proper divisors (142114902).

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

109044138 is a wasteful number, since it uses less digits than its factorization.

109044138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19962.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 109044138 is about 10442.4201217917. The cubic root of 109044138 is about 477.7500867352.

The spelling of 109044138 in words is "one hundred nine million, forty-four thousand, one hundred thirty-eight".