83134109 has 2 divisors, whose sum is σ = 83134110. Its totient is φ = 83134108.

The previous prime is 83134091. The next prime is 83134111. The reversal of 83134109 is 90143138.

Together with previous prime (83134091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66504025 + 16630084 = 8155^2 + 4078^2 .

It is a cyclic number.

It is not a de Polignac number, because 83134109 - 2¹² = 83130013 is a prime.

It is a super-2 number, since 2×83134109² = 13822560158447762, which contains 22 as substring.

Together with 83134111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83134159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41567054 + 41567055.

It is an arithmetic number, because the mean of its divisors is an integer number (41567055).

Almost surely, 2^83134109 is an apocalyptic number.

It is an amenable number.

83134109 is a deficient number, since it is larger than the sum of its proper divisors (1).

83134109 is an equidigital number, since it uses as much as digits as its factorization.

83134109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 83134109 is about 9117.7907960207. The cubic root of 83134109 is about 436.4418776461.

The spelling of 83134109 in words is "eighty-three million, one hundred thirty-four thousand, one hundred nine".