134090687 has 2 divisors, whose sum is σ = 134090688. Its totient is φ = 134090686.

The previous prime is 134090681. The next prime is 134090833. The reversal of 134090687 is 786090431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134090687 - 2⁸ = 134090431 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134090687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134090681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67045343 + 67045344.

It is an arithmetic number, because the mean of its divisors is an integer number (67045344).

Almost surely, 2^134090687 is an apocalyptic number.

134090687 is a deficient number, since it is larger than the sum of its proper divisors (1).

134090687 is an equidigital number, since it uses as much as digits as its factorization.

134090687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 134090687 is about 11579.7533220704. The cubic root of 134090687 is about 511.8384080203.

The spelling of 134090687 in words is "one hundred thirty-four million, ninety thousand, six hundred eighty-seven".