109035891 has 12 divisors (see below), whose sum is σ = 157826032. Its totient is φ = 72538416.

The previous prime is 109035877. The next prime is 109035919. The reversal of 109035891 is 198530901.

It is a happy number.

It is not a de Polignac number, because 109035891 - 2⁵ = 109035859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109035811) 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 11 ways as a sum of consecutive naturals, for example, 8056 + ... + 16821.

Almost surely, 2^109035891 is an apocalyptic number.

109035891 is a deficient number, since it is larger than the sum of its proper divisors (48790141).

109035891 is a wasteful number, since it uses less digits than its factorization.

109035891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25370 (or 25367 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 109035891 is about 10442.0252345989. The cubic root of 109035891 is about 477.7380423637.

The spelling of 109035891 in words is "one hundred nine million, thirty-five thousand, eight hundred ninety-one".