134534251 has 2 divisors, whose sum is σ = 134534252. Its totient is φ = 134534250.

The previous prime is 134534221. The next prime is 134534261. The reversal of 134534251 is 152435431.

It is a strong prime.

It is an emirp because it is prime and its reverse (152435431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134534251 - 2⁷ = 134534123 is a prime.

It is not a weakly prime, because it can be changed into another prime (134534221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67267125 + 67267126.

It is an arithmetic number, because the mean of its divisors is an integer number (67267126).

Almost surely, 2^134534251 is an apocalyptic number.

134534251 is a deficient number, since it is larger than the sum of its proper divisors (1).

134534251 is an equidigital number, since it uses as much as digits as its factorization.

134534251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 28.

The square root of 134534251 is about 11598.8900762099. The cubic root of 134534251 is about 512.4021638347.

Adding to 134534251 its reverse (152435431), we get a palindrome (286969682).

The spelling of 134534251 in words is "one hundred thirty-four million, five hundred thirty-four thousand, two hundred fifty-one".