8133109 has 2 divisors, whose sum is σ = 8133110. Its totient is φ = 8133108.

The previous prime is 8133107. The next prime is 8133119. The reversal of 8133109 is 9013318.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8122500 + 10609 = 2850^2 + 103^2 .

It is a cyclic number.

It is not a de Polignac number, because 8133109 - 2¹ = 8133107 is a prime.

It is a super-2 number, since 2×8133109² = 132294924011762, which contains 22 as substring.

Together with 8133107, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8133101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4066554 + 4066555.

It is an arithmetic number, because the mean of its divisors is an integer number (4066555).

Almost surely, 2^8133109 is an apocalyptic number.

It is an amenable number.

8133109 is a deficient number, since it is larger than the sum of its proper divisors (1).

8133109 is an equidigital number, since it uses as much as digits as its factorization.

8133109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 8133109 is about 2851.8606207176. The cubic root of 8133109 is about 201.1031458260.

The spelling of 8133109 in words is "eight million, one hundred thirty-three thousand, one hundred nine".