134256193 has 2 divisors, whose sum is σ = 134256194. Its totient is φ = 134256192.

The previous prime is 134256173. The next prime is 134256197. The reversal of 134256193 is 391652431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99540529 + 34715664 = 9977^2 + 5892^2 .

It is a cyclic number.

It is not a de Polignac number, because 134256193 - 2¹³ = 134248001 is a prime.

It is not a weakly prime, because it can be changed into another prime (134256197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67128096 + 67128097.

It is an arithmetic number, because the mean of its divisors is an integer number (67128097).

Almost surely, 2^134256193 is an apocalyptic number.

It is an amenable number.

134256193 is a deficient number, since it is larger than the sum of its proper divisors (1).

134256193 is an equidigital number, since it uses as much as digits as its factorization.

134256193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 34.

The square root of 134256193 is about 11586.8974708504. The cubic root of 134256193 is about 512.0489061051.

The spelling of 134256193 in words is "one hundred thirty-four million, two hundred fifty-six thousand, one hundred ninety-three".