134189193 has 4 divisors (see below), whose sum is σ = 178918928. Its totient is φ = 89459460.

The previous prime is 134189189. The next prime is 134189201. The reversal of 134189193 is 391981431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 134189193 - 2² = 134189189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134182193) 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, 22364863 + ... + 22364868.

It is an arithmetic number, because the mean of its divisors is an integer number (44729732).

Almost surely, 2^134189193 is an apocalyptic number.

It is an amenable number.

134189193 is a deficient number, since it is larger than the sum of its proper divisors (44729735).

134189193 is an equidigital number, since it uses as much as digits as its factorization.

134189193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44729734.

The product of its digits is 23328, while the sum is 39.

The square root of 134189193 is about 11584.0059133272. The cubic root of 134189193 is about 511.9637132995.

The spelling of 134189193 in words is "one hundred thirty-four million, one hundred eighty-nine thousand, one hundred ninety-three".