134321197 has 2 divisors, whose sum is σ = 134321198. Its totient is φ = 134321196.

The previous prime is 134321191. The next prime is 134321221. The reversal of 134321197 is 791123431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133494916 + 826281 = 11554^2 + 909^2 .

It is a cyclic number.

It is not a de Polignac number, because 134321197 - 2³ = 134321189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134321191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67160598 + 67160599.

It is an arithmetic number, because the mean of its divisors is an integer number (67160599).

Almost surely, 2^134321197 is an apocalyptic number.

It is an amenable number.

134321197 is a deficient number, since it is larger than the sum of its proper divisors (1).

134321197 is an equidigital number, since it uses as much as digits as its factorization.

134321197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 134321197 is about 11589.7021963465. The cubic root of 134321197 is about 512.1315338429.

The spelling of 134321197 in words is "one hundred thirty-four million, three hundred twenty-one thousand, one hundred ninety-seven".