109140789 has 16 divisors (see below), whose sum is σ = 149376960. Its totient is φ = 70857600.

The previous prime is 109140763. The next prime is 109140809. The reversal of 109140789 is 987041901.

It is a happy number.

It is not a de Polignac number, because 109140789 - 2¹¹ = 109138741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109140709) 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 15 ways as a sum of consecutive naturals, for example, 14839 + ... + 20939.

It is an arithmetic number, because the mean of its divisors is an integer number (9336060).

Almost surely, 2^109140789 is an apocalyptic number.

It is an amenable number.

109140789 is a deficient number, since it is larger than the sum of its proper divisors (40236171).

109140789 is an equidigital number, since it uses as much as digits as its factorization.

109140789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6260.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 109140789 is about 10447.0469033120. The cubic root of 109140789 is about 477.8911959191.

The spelling of 109140789 in words is "one hundred nine million, one hundred forty thousand, seven hundred eighty-nine".