134442229 has 2 divisors, whose sum is σ = 134442230. Its totient is φ = 134442228.

The previous prime is 134442223. The next prime is 134442241. The reversal of 134442229 is 922244431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132296004 + 2146225 = 11502^2 + 1465^2 .

It is an emirp because it is prime and its reverse (922244431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134442229 - 2³ = 134442221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134442229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134442221) 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, 67221114 + 67221115.

It is an arithmetic number, because the mean of its divisors is an integer number (67221115).

Almost surely, 2^134442229 is an apocalyptic number.

It is an amenable number.

134442229 is a deficient number, since it is larger than the sum of its proper divisors (1).

134442229 is an equidigital number, since it uses as much as digits as its factorization.

134442229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 31.

The square root of 134442229 is about 11594.9225525658. The cubic root of 134442229 is about 512.2853087676.

The spelling of 134442229 in words is "one hundred thirty-four million, four hundred forty-two thousand, two hundred twenty-nine".