134299687 has 2 divisors, whose sum is σ = 134299688. Its totient is φ = 134299686.

The previous prime is 134299681. The next prime is 134299699. The reversal of 134299687 is 786992431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134299687 - 2³ = 134299679 is a prime.

It is a Chen prime.

It is a zygodrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 134299687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134299681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67149843 + 67149844.

It is an arithmetic number, because the mean of its divisors is an integer number (67149844).

Almost surely, 2^134299687 is an apocalyptic number.

134299687 is a deficient number, since it is larger than the sum of its proper divisors (1).

134299687 is an equidigital number, since it uses as much as digits as its factorization.

134299687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 49.

The square root of 134299687 is about 11588.7741802142. The cubic root of 134299687 is about 512.1041950520.

The spelling of 134299687 in words is "one hundred thirty-four million, two hundred ninety-nine thousand, six hundred eighty-seven".