134712191 has 4 divisors (see below), whose sum is σ = 134758272. Its totient is φ = 134666112.

The previous prime is 134712161. The next prime is 134712239. The reversal of 134712191 is 191217431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134712191 - 2¹⁰ = 134711167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134712161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18335 + ... + 24608.

It is an arithmetic number, because the mean of its divisors is an integer number (33689568).

Almost surely, 2^134712191 is an apocalyptic number.

134712191 is a deficient number, since it is larger than the sum of its proper divisors (46081).

134712191 is an equidigital number, since it uses as much as digits as its factorization.

134712191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46080.

The product of its digits is 1512, while the sum is 29.

The square root of 134712191 is about 11606.5581030726. The cubic root of 134712191 is about 512.6279716913.

The spelling of 134712191 in words is "one hundred thirty-four million, seven hundred twelve thousand, one hundred ninety-one".