134191667 has 2 divisors, whose sum is σ = 134191668. Its totient is φ = 134191666.

The previous prime is 134191663. The next prime is 134191679. The reversal of 134191667 is 766191431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134191667 - 2² = 134191663 is a prime.

It is a Chen prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 134191667.

It is not a weakly prime, because it can be changed into another prime (134191663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67095833 + 67095834.

It is an arithmetic number, because the mean of its divisors is an integer number (67095834).

Almost surely, 2^134191667 is an apocalyptic number.

134191667 is a deficient number, since it is larger than the sum of its proper divisors (1).

134191667 is an equidigital number, since it uses as much as digits as its factorization.

134191667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 134191667 is about 11584.1126980015. The cubic root of 134191667 is about 511.9668595798.

The spelling of 134191667 in words is "one hundred thirty-four million, one hundred ninety-one thousand, six hundred sixty-seven".