134421449 has 2 divisors, whose sum is σ = 134421450. Its totient is φ = 134421448.

The previous prime is 134421439. The next prime is 134421461. The reversal of 134421449 is 944124431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94225849 + 40195600 = 9707^2 + 6340^2 .

It is a cyclic number.

It is not a de Polignac number, because 134421449 - 2²⁰ = 133372873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134421439) 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, 67210724 + 67210725.

It is an arithmetic number, because the mean of its divisors is an integer number (67210725).

Almost surely, 2^134421449 is an apocalyptic number.

It is an amenable number.

134421449 is a deficient number, since it is larger than the sum of its proper divisors (1).

134421449 is an equidigital number, since it uses as much as digits as its factorization.

134421449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 134421449 is about 11594.0264360575. The cubic root of 134421449 is about 512.2589136949.

The spelling of 134421449 in words is "one hundred thirty-four million, four hundred twenty-one thousand, four hundred forty-nine".