134736191 has 2 divisors, whose sum is σ = 134736192. Its totient is φ = 134736190.

The previous prime is 134736181. The next prime is 134736193. The reversal of 134736191 is 191637431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134736191 is a prime.

Together with 134736193, 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 (134736193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67368095 + 67368096.

It is an arithmetic number, because the mean of its divisors is an integer number (67368096).

Almost surely, 2^134736191 is an apocalyptic number.

134736191 is a deficient number, since it is larger than the sum of its proper divisors (1).

134736191 is an equidigital number, since it uses as much as digits as its factorization.

134736191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 35.

The square root of 134736191 is about 11607.5919552679. The cubic root of 134736191 is about 512.6584127392.

The spelling of 134736191 in words is "one hundred thirty-four million, seven hundred thirty-six thousand, one hundred ninety-one".