134245191 has 8 divisors (see below), whose sum is σ = 180179584. Its totient is φ = 88903800.

The previous prime is 134245157. The next prime is 134245217. The reversal of 134245191 is 191542431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134245191 - 2⁷ = 134245063 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 (134244191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147721 + ... + 148626.

It is an arithmetic number, because the mean of its divisors is an integer number (22522448).

Almost surely, 2^134245191 is an apocalyptic number.

134245191 is a deficient number, since it is larger than the sum of its proper divisors (45934393).

134245191 is a wasteful number, since it uses less digits than its factorization.

134245191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296501.

The product of its digits is 4320, while the sum is 30.

The square root of 134245191 is about 11586.4227007304. The cubic root of 134245191 is about 512.0349186288.

The spelling of 134245191 in words is "one hundred thirty-four million, two hundred forty-five thousand, one hundred ninety-one".