134698687 has 2 divisors, whose sum is σ = 134698688. Its totient is φ = 134698686.

The previous prime is 134698643. The next prime is 134698709. The reversal of 134698687 is 786896431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134698687 - 2¹⁹ = 134174399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134698637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67349343 + 67349344.

It is an arithmetic number, because the mean of its divisors is an integer number (67349344).

Almost surely, 2^134698687 is an apocalyptic number.

134698687 is a deficient number, since it is larger than the sum of its proper divisors (1).

134698687 is an equidigital number, since it uses as much as digits as its factorization.

134698687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 52.

The square root of 134698687 is about 11605.9763484164. The cubic root of 134698687 is about 512.6108419389.

The spelling of 134698687 in words is "one hundred thirty-four million, six hundred ninety-eight thousand, six hundred eighty-seven".