136008671 has 2 divisors, whose sum is σ = 136008672. Its totient is φ = 136008670.

The previous prime is 136008659. The next prime is 136008673. The reversal of 136008671 is 176800631.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136008671 is a prime.

Together with 136008673, 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 (136008673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68004335 + 68004336.

It is an arithmetic number, because the mean of its divisors is an integer number (68004336).

Almost surely, 2^136008671 is an apocalyptic number.

136008671 is a deficient number, since it is larger than the sum of its proper divisors (1).

136008671 is an equidigital number, since it uses as much as digits as its factorization.

136008671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 136008671 is about 11662.2755498230. The cubic root of 136008671 is about 514.2672471066.

The spelling of 136008671 in words is "one hundred thirty-six million, eight thousand, six hundred seventy-one".