109434161 has 4 divisors (see below), whose sum is σ = 114192192. Its totient is φ = 104676132.

The previous prime is 109434137. The next prime is 109434187. The reversal of 109434161 is 161434901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109434161 - 2¹⁸ = 109172017 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109434121) 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 3 ways as a sum of consecutive naturals, for example, 2378981 + ... + 2379026.

It is an arithmetic number, because the mean of its divisors is an integer number (28548048).

Almost surely, 2^109434161 is an apocalyptic number.

It is an amenable number.

109434161 is a deficient number, since it is larger than the sum of its proper divisors (4758031).

109434161 is an equidigital number, since it uses as much as digits as its factorization.

109434161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758030.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 109434161 is about 10461.0783860939. The cubic root of 109434161 is about 478.3190056155.

The spelling of 109434161 in words is "one hundred nine million, four hundred thirty-four thousand, one hundred sixty-one".