134040197 has 2 divisors, whose sum is σ = 134040198. Its totient is φ = 134040196.

The previous prime is 134040143. The next prime is 134040199. The reversal of 134040197 is 791040431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95277121 + 38763076 = 9761^2 + 6226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134040197 is a prime.

Together with 134040199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134040199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67020098 + 67020099.

It is an arithmetic number, because the mean of its divisors is an integer number (67020099).

Almost surely, 2^134040197 is an apocalyptic number.

It is an amenable number.

134040197 is a deficient number, since it is larger than the sum of its proper divisors (1).

134040197 is an equidigital number, since it uses as much as digits as its factorization.

134040197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 134040197 is about 11577.5730185562. The cubic root of 134040197 is about 511.7741580562.

The spelling of 134040197 in words is "one hundred thirty-four million, forty thousand, one hundred ninety-seven".