134669999 has 2 divisors, whose sum is σ = 134670000. Its totient is φ = 134669998.

The previous prime is 134669987. The next prime is 134670013. The reversal of 134669999 is 999966431.

134669999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134669999 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134669399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67334999 + 67335000.

It is an arithmetic number, because the mean of its divisors is an integer number (67335000).

Almost surely, 2^134669999 is an apocalyptic number.

134669999 is a deficient number, since it is larger than the sum of its proper divisors (1).

134669999 is an equidigital number, since it uses as much as digits as its factorization.

134669999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2834352, while the sum is 56.

The square root of 134669999 is about 11604.7403676256. The cubic root of 134669999 is about 512.5744475629.

The spelling of 134669999 in words is "one hundred thirty-four million, six hundred sixty-nine thousand, nine hundred ninety-nine".