134534891 has 8 divisors (see below), whose sum is σ = 135360000. Its totient is φ = 133713000.

The previous prime is 134534887. The next prime is 134534971. The reversal of 134534891 is 198435431.

134534891 is nontrivially palindromic in base 15.

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

It is a cyclic number.

It is not a de Polignac number, because 134534891 - 2² = 134534887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134534591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178766 + ... + 179516.

It is an arithmetic number, because the mean of its divisors is an integer number (16920000).

Almost surely, 2^134534891 is an apocalyptic number.

134534891 is a deficient number, since it is larger than the sum of its proper divisors (825109).

134534891 is an equidigital number, since it uses as much as digits as its factorization.

134534891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609.

The product of its digits is 51840, while the sum is 38.

The square root of 134534891 is about 11598.9176650237. The cubic root of 134534891 is about 512.4029763585.

The spelling of 134534891 in words is "one hundred thirty-four million, five hundred thirty-four thousand, eight hundred ninety-one".