134234257 has 2 divisors, whose sum is σ = 134234258. Its totient is φ = 134234256.

The previous prime is 134234203. The next prime is 134234267. The reversal of 134234257 is 752432431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67256401 + 66977856 = 8201^2 + 8184^2 .

It is an emirp because it is prime and its reverse (752432431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134234257 - 2²⁷ = 16529 is a prime.

It is not a weakly prime, because it can be changed into another prime (134234267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67117128 + 67117129.

It is an arithmetic number, because the mean of its divisors is an integer number (67117129).

Almost surely, 2^134234257 is an apocalyptic number.

It is an amenable number.

134234257 is a deficient number, since it is larger than the sum of its proper divisors (1).

134234257 is an equidigital number, since it uses as much as digits as its factorization.

134234257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 31.

The square root of 134234257 is about 11585.9508457442. The cubic root of 134234257 is about 512.0210168476.

Adding to 134234257 its reverse (752432431), we get a palindrome (886666688).

The spelling of 134234257 in words is "one hundred thirty-four million, two hundred thirty-four thousand, two hundred fifty-seven".