134819691 has 8 divisors (see below), whose sum is σ = 180106704. Its totient is φ = 89706240.

The previous prime is 134819681. The next prime is 134819743. The reversal of 134819691 is 196918431.

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

It is not a de Polignac number, because 134819691 - 2⁶ = 134819627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134819681) 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, 41566 + ... + 44691.

It is an arithmetic number, because the mean of its divisors is an integer number (22513338).

Almost surely, 2^134819691 is an apocalyptic number.

134819691 is a deficient number, since it is larger than the sum of its proper divisors (45287013).

134819691 is an equidigital number, since it uses as much as digits as its factorization.

134819691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86781.

The product of its digits is 46656, while the sum is 42.

The square root of 134819691 is about 11611.1881820940. The cubic root of 134819691 is about 512.7642940600.

The spelling of 134819691 in words is "one hundred thirty-four million, eight hundred nineteen thousand, six hundred ninety-one".