134412169 has 2 divisors, whose sum is σ = 134412170. Its totient is φ = 134412168.

The previous prime is 134412167. The next prime is 134412193. The reversal of 134412169 is 961214431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93605625 + 40806544 = 9675^2 + 6388^2 .

It is an emirp because it is prime and its reverse (961214431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134412169 - 2¹ = 134412167 is a prime.

It is a super-2 number, since 2×134412169² = 36133262350569122, which contains 22 as substring.

Together with 134412167, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 134412169.

It is not a weakly prime, because it can be changed into another prime (134412167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67206084 + 67206085.

It is an arithmetic number, because the mean of its divisors is an integer number (67206085).

Almost surely, 2^134412169 is an apocalyptic number.

It is an amenable number.

134412169 is a deficient number, since it is larger than the sum of its proper divisors (1).

134412169 is an equidigital number, since it uses as much as digits as its factorization.

134412169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 134412169 is about 11593.6262230589. The cubic root of 134412169 is about 512.2471252188.

The spelling of 134412169 in words is "one hundred thirty-four million, four hundred twelve thousand, one hundred sixty-nine".