134663449 has 2 divisors, whose sum is σ = 134663450. Its totient is φ = 134663448.

The previous prime is 134663377. The next prime is 134663467. The reversal of 134663449 is 944366431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99141849 + 35521600 = 9957^2 + 5960^2 .

It is an emirp because it is prime and its reverse (944366431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134663449 - 2¹⁵ = 134630681 is a prime.

It is not a weakly prime, because it can be changed into another prime (134663489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67331724 + 67331725.

It is an arithmetic number, because the mean of its divisors is an integer number (67331725).

Almost surely, 2^134663449 is an apocalyptic number.

It is an amenable number.

134663449 is a deficient number, since it is larger than the sum of its proper divisors (1).

134663449 is an equidigital number, since it uses as much as digits as its factorization.

134663449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 40.

The square root of 134663449 is about 11604.4581519345. The cubic root of 134663449 is about 512.5661373303.

The spelling of 134663449 in words is "one hundred thirty-four million, six hundred sixty-three thousand, four hundred forty-nine".