8146109 has 2 divisors, whose sum is σ = 8146110. Its totient is φ = 8146108.

The previous prime is 8146091. The next prime is 8146133. The reversal of 8146109 is 9016418.

Together with previous prime (8146091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7812025 + 334084 = 2795^2 + 578^2 .

It is a cyclic number.

It is not a de Polignac number, because 8146109 - 2⁸ = 8145853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8146169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4073054 + 4073055.

It is an arithmetic number, because the mean of its divisors is an integer number (4073055).

Almost surely, 2^8146109 is an apocalyptic number.

It is an amenable number.

8146109 is a deficient number, since it is larger than the sum of its proper divisors (1).

8146109 is an equidigital number, since it uses as much as digits as its factorization.

8146109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 8146109 is about 2854.1389244394. The cubic root of 8146109 is about 201.2102368620.

The spelling of 8146109 in words is "eight million, one hundred forty-six thousand, one hundred nine".