134256173 has 2 divisors, whose sum is σ = 134256174. Its totient is φ = 134256172.

The previous prime is 134256151. The next prime is 134256193. The reversal of 134256173 is 371652431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99940009 + 34316164 = 9997^2 + 5858^2 .

It is an emirp because it is prime and its reverse (371652431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134256173 - 2¹⁴ = 134239789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134256103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67128086 + 67128087.

It is an arithmetic number, because the mean of its divisors is an integer number (67128087).

Almost surely, 2^134256173 is an apocalyptic number.

It is an amenable number.

134256173 is a deficient number, since it is larger than the sum of its proper divisors (1).

134256173 is an equidigital number, since it uses as much as digits as its factorization.

134256173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The square root of 134256173 is about 11586.8966078066. The cubic root of 134256173 is about 512.0488806787.

The spelling of 134256173 in words is "one hundred thirty-four million, two hundred fifty-six thousand, one hundred seventy-three".