108109147 has 2 divisors, whose sum is σ = 108109148. Its totient is φ = 108109146.

The previous prime is 108109139. The next prime is 108109151. The reversal of 108109147 is 741901801.

It is a strong prime.

It is an emirp because it is prime and its reverse (741901801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108109147 - 2³ = 108109139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108103147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54054573 + 54054574.

It is an arithmetic number, because the mean of its divisors is an integer number (54054574).

Almost surely, 2^108109147 is an apocalyptic number.

108109147 is a deficient number, since it is larger than the sum of its proper divisors (1).

108109147 is an equidigital number, since it uses as much as digits as its factorization.

108109147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 108109147 is about 10397.5548567921. The cubic root of 108109147 is about 476.3806875614.

The spelling of 108109147 in words is "one hundred eight million, one hundred nine thousand, one hundred forty-seven".