134168449 has 2 divisors, whose sum is σ = 134168450. Its totient is φ = 134168448.

The previous prime is 134168431. The next prime is 134168459. The reversal of 134168449 is 944861431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77316849 + 56851600 = 8793^2 + 7540^2 .

It is a cyclic number.

It is not a de Polignac number, because 134168449 - 2⁵ = 134168417 is a prime.

It is not a weakly prime, because it can be changed into another prime (134168459) 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, 67084224 + 67084225.

It is an arithmetic number, because the mean of its divisors is an integer number (67084225).

Almost surely, 2^134168449 is an apocalyptic number.

It is an amenable number.

134168449 is a deficient number, since it is larger than the sum of its proper divisors (1).

134168449 is an equidigital number, since it uses as much as digits as its factorization.

134168449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 40.

The square root of 134168449 is about 11583.1105062500. The cubic root of 134168449 is about 511.9373308407.

The spelling of 134168449 in words is "one hundred thirty-four million, one hundred sixty-eight thousand, four hundred forty-nine".