110639189 has 4 divisors (see below), whose sum is σ = 110768256. Its totient is φ = 110510124.

The previous prime is 110639171. The next prime is 110639227. The reversal of 110639189 is 981936011.

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 110639189 - 2¹² = 110635093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110639149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63239 + ... + 64964.

It is an arithmetic number, because the mean of its divisors is an integer number (27692064).

Almost surely, 2^110639189 is an apocalyptic number.

It is an amenable number.

110639189 is a deficient number, since it is larger than the sum of its proper divisors (129067).

110639189 is an equidigital number, since it uses as much as digits as its factorization.

110639189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129066.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 110639189 is about 10518.5164828506. The cubic root of 110639189 is about 480.0682614147.

The spelling of 110639189 in words is "one hundred ten million, six hundred thirty-nine thousand, one hundred eighty-nine".