134894687 has 2 divisors, whose sum is σ = 134894688. Its totient is φ = 134894686.

The previous prime is 134894681. The next prime is 134894717. The reversal of 134894687 is 786498431.

It is a weak prime.

It is an emirp because it is prime and its reverse (786498431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134894687 - 2¹⁰ = 134893663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134894681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67447343 + 67447344.

It is an arithmetic number, because the mean of its divisors is an integer number (67447344).

Almost surely, 2^134894687 is an apocalyptic number.

134894687 is a deficient number, since it is larger than the sum of its proper divisors (1).

134894687 is an equidigital number, since it uses as much as digits as its factorization.

134894687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 50.

The square root of 134894687 is about 11614.4172044920. The cubic root of 134894687 is about 512.8593547108.

The spelling of 134894687 in words is "one hundred thirty-four million, eight hundred ninety-four thousand, six hundred eighty-seven".