134204249 has 2 divisors, whose sum is σ = 134204250. Its totient is φ = 134204248.

The previous prime is 134204243. The next prime is 134204251. The reversal of 134204249 is 942402431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133564249 + 640000 = 11557^2 + 800^2 .

It is an emirp because it is prime and its reverse (942402431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134204249 - 2⁴ = 134204233 is a prime.

Together with 134204251, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_7602833 and since 134204249 and 7602833 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (134204243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67102124 + 67102125.

It is an arithmetic number, because the mean of its divisors is an integer number (67102125).

Almost surely, 2^134204249 is an apocalyptic number.

It is an amenable number.

134204249 is a deficient number, since it is larger than the sum of its proper divisors (1).

134204249 is an equidigital number, since it uses as much as digits as its factorization.

134204249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 134204249 is about 11584.6557566464. The cubic root of 134204249 is about 511.9828599914.

The spelling of 134204249 in words is "one hundred thirty-four million, two hundred four thousand, two hundred forty-nine".