134065823 has 2 divisors, whose sum is σ = 134065824. Its totient is φ = 134065822.

The previous prime is 134065819. The next prime is 134065829. The reversal of 134065823 is 328560431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134065823 - 2² = 134065819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134065823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134065829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67032911 + 67032912.

It is an arithmetic number, because the mean of its divisors is an integer number (67032912).

Almost surely, 2^134065823 is an apocalyptic number.

134065823 is a deficient number, since it is larger than the sum of its proper divisors (1).

134065823 is an equidigital number, since it uses as much as digits as its factorization.

134065823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 134065823 is about 11578.6796742979. The cubic root of 134065823 is about 511.8067698876.

The spelling of 134065823 in words is "one hundred thirty-four million, sixty-five thousand, eight hundred twenty-three".