134456447 has 2 divisors, whose sum is σ = 134456448. Its totient is φ = 134456446.

The previous prime is 134456423. The next prime is 134456449. The reversal of 134456447 is 744654431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134456447 - 2¹⁶ = 134390911 is a prime.

It is a super-2 number, since 2×134456447² = 36157072279727618, which contains 22 as substring.

Together with 134456449, it forms a pair of twin primes.

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 134456447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134456449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67228223 + 67228224.

It is an arithmetic number, because the mean of its divisors is an integer number (67228224).

Almost surely, 2^134456447 is an apocalyptic number.

134456447 is a deficient number, since it is larger than the sum of its proper divisors (1).

134456447 is an equidigital number, since it uses as much as digits as its factorization.

134456447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 38.

The square root of 134456447 is about 11595.5356495506. The cubic root of 134456447 is about 512.3033671208.

The spelling of 134456447 in words is "one hundred thirty-four million, four hundred fifty-six thousand, four hundred forty-seven".