134066687 has 2 divisors, whose sum is σ = 134066688. Its totient is φ = 134066686.

The previous prime is 134066683. The next prime is 134066689. The reversal of 134066687 is 786660431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134066687 - 2² = 134066683 is a prime.

Together with 134066689, 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 (134066683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67033343 + 67033344.

It is an arithmetic number, because the mean of its divisors is an integer number (67033344).

Almost surely, 2^134066687 is an apocalyptic number.

134066687 is a deficient number, since it is larger than the sum of its proper divisors (1).

134066687 is an equidigital number, since it uses as much as digits as its factorization.

134066687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 134066687 is about 11578.7169841913. The cubic root of 134066687 is about 511.8078693478.

The spelling of 134066687 in words is "one hundred thirty-four million, sixty-six thousand, six hundred eighty-seven".