1109108139 has 16 divisors (see below), whose sum is σ = 1544078592. Its totient is φ = 706812128.

The previous prime is 1109108129. The next prime is 1109108213. The reversal of 1109108139 is 9318019011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1109108139 - 2⁴ = 1109108123 is a prime.

It is a super-3 number, since 3×1109108139³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1109108129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132064 + ... + 140210.

It is an arithmetic number, because the mean of its divisors is an integer number (96504912).

Almost surely, 2^1109108139 is an apocalyptic number.

1109108139 is a deficient number, since it is larger than the sum of its proper divisors (434970453).

1109108139 is a wasteful number, since it uses less digits than its factorization.

1109108139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10146.

The product of its (nonzero) digits is 1944, while the sum is 33.

The square root of 1109108139 is about 33303.2751992953. The cubic root of 1109108139 is about 1035.1214242942.

The spelling of 1109108139 in words is "one billion, one hundred nine million, one hundred eight thousand, one hundred thirty-nine".