8134661 has 2 divisors, whose sum is σ = 8134662. Its totient is φ = 8134660.

The previous prime is 8134657. The next prime is 8134691. The reversal of 8134661 is 1664318.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4452100 + 3682561 = 2110^2 + 1919^2 .

It is a cyclic number.

It is not a de Polignac number, because 8134661 - 2² = 8134657 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 (8134691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4067330 + 4067331.

It is an arithmetic number, because the mean of its divisors is an integer number (4067331).

Almost surely, 2^8134661 is an apocalyptic number.

It is an amenable number.

8134661 is a deficient number, since it is larger than the sum of its proper divisors (1).

8134661 is an equidigital number, since it uses as much as digits as its factorization.

8134661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 8134661 is about 2852.1327107973. The cubic root of 8134661 is about 201.1159368440.

Adding to 8134661 its reverse (1664318), we get a palindrome (9798979).

The spelling of 8134661 in words is "eight million, one hundred thirty-four thousand, six hundred sixty-one".