134348429 has 2 divisors, whose sum is σ = 134348430. Its totient is φ = 134348428.

The previous prime is 134348407. The next prime is 134348441. The reversal of 134348429 is 924843431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82537225 + 51811204 = 9085^2 + 7198^2 .

It is an emirp because it is prime and its reverse (924843431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134348429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 134348392 and 134348401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134348479) 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, 67174214 + 67174215.

It is an arithmetic number, because the mean of its divisors is an integer number (67174215).

Almost surely, 2^134348429 is an apocalyptic number.

It is an amenable number.

134348429 is a deficient number, since it is larger than the sum of its proper divisors (1).

134348429 is an equidigital number, since it uses as much as digits as its factorization.

134348429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 38.

The square root of 134348429 is about 11590.8769728610. The cubic root of 134348429 is about 512.1661409982.

The spelling of 134348429 in words is "one hundred thirty-four million, three hundred forty-eight thousand, four hundred twenty-nine".