134696684687 has 2 divisors, whose sum is σ = 134696684688. Its totient is φ = 134696684686.

The previous prime is 134696684671. The next prime is 134696684737. The reversal of 134696684687 is 786486696431.

It is a weak prime.

It is an emirp because it is prime and its reverse (786486696431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134696684687 - 2⁴ = 134696684671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134696684657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67348342343 + 67348342344.

It is an arithmetic number, because the mean of its divisors is an integer number (67348342344).

Almost surely, 2^134696684687 is an apocalyptic number.

134696684687 is a deficient number, since it is larger than the sum of its proper divisors (1).

134696684687 is an equidigital number, since it uses as much as digits as its factorization.

134696684687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 250822656, while the sum is 68.

The spelling of 134696684687 in words is "one hundred thirty-four billion, six hundred ninety-six million, six hundred eighty-four thousand, six hundred eighty-seven".