135676841 has 2 divisors, whose sum is σ = 135676842. Its totient is φ = 135676840.

The previous prime is 135676789. The next prime is 135676843. The reversal of 135676841 is 148676531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92064025 + 43612816 = 9595^2 + 6604^2 .

It is a cyclic number.

It is not a de Polignac number, because 135676841 - 2¹⁴ = 135660457 is a prime.

It is a Sophie Germain prime.

Together with 135676843, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (135676843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67838420 + 67838421.

It is an arithmetic number, because the mean of its divisors is an integer number (67838421).

Almost surely, 2^135676841 is an apocalyptic number.

It is an amenable number.

135676841 is a deficient number, since it is larger than the sum of its proper divisors (1).

135676841 is an equidigital number, since it uses as much as digits as its factorization.

135676841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 135676841 is about 11648.0402214278. The cubic root of 135676841 is about 513.8486750908.

The spelling of 135676841 in words is "one hundred thirty-five million, six hundred seventy-six thousand, eight hundred forty-one".