107644189 has 2 divisors, whose sum is σ = 107644190. Its totient is φ = 107644188.

The previous prime is 107644171. The next prime is 107644213. The reversal of 107644189 is 981446701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95218564 + 12425625 = 9758^2 + 3525^2 .

It is a cyclic number.

It is not a de Polignac number, because 107644189 - 2⁵ = 107644157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107644129) 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 as a sum of consecutive naturals, namely, 53822094 + 53822095.

It is an arithmetic number, because the mean of its divisors is an integer number (53822095).

Almost surely, 2^107644189 is an apocalyptic number.

It is an amenable number.

107644189 is a deficient number, since it is larger than the sum of its proper divisors (1).

107644189 is an equidigital number, since it uses as much as digits as its factorization.

107644189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 107644189 is about 10375.1717576144. The cubic root of 107644189 is about 475.6967635877.

The spelling of 107644189 in words is "one hundred seven million, six hundred forty-four thousand, one hundred eighty-nine".