134545249 has 2 divisors, whose sum is σ = 134545250. Its totient is φ = 134545248.

The previous prime is 134545223. The next prime is 134545273. The reversal of 134545249 is 942545431.

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., 111197025 + 23348224 = 10545^2 + 4832^2 .

It is an emirp because it is prime and its reverse (942545431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134545249 - 2⁹ = 134544737 is a prime.

It is not a weakly prime, because it can be changed into another prime (134525249) 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, 67272624 + 67272625.

It is an arithmetic number, because the mean of its divisors is an integer number (67272625).

Almost surely, 2^134545249 is an apocalyptic number.

It is an amenable number.

134545249 is a deficient number, since it is larger than the sum of its proper divisors (1).

134545249 is an equidigital number, since it uses as much as digits as its factorization.

134545249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 37.

The square root of 134545249 is about 11599.3641636083. The cubic root of 134545249 is about 512.4161261910.

The spelling of 134545249 in words is "one hundred thirty-four million, five hundred forty-five thousand, two hundred forty-nine".