134266691 has 4 divisors (see below), whose sum is σ = 144594912. Its totient is φ = 123938472.

The previous prime is 134266687. The next prime is 134266753. The reversal of 134266691 is 196662431.

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 134266691 - 2² = 134266687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134266651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5164091 + ... + 5164116.

It is an arithmetic number, because the mean of its divisors is an integer number (36148728).

Almost surely, 2^134266691 is an apocalyptic number.

134266691 is a deficient number, since it is larger than the sum of its proper divisors (10328221).

134266691 is a wasteful number, since it uses less digits than its factorization.

134266691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10328220.

The product of its digits is 46656, while the sum is 38.

The square root of 134266691 is about 11587.3504736847. The cubic root of 134266691 is about 512.0622521048.

The spelling of 134266691 in words is "one hundred thirty-four million, two hundred sixty-six thousand, six hundred ninety-one".