134191678 has 8 divisors (see below), whose sum is σ = 201420360. Its totient is φ = 67051560.

The previous prime is 134191667. The next prime is 134191679. The reversal of 134191678 is 876191431.

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

It is a self number, because there is not a number n which added to its sum of digits gives 134191678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134191679) 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, 18213 + ... + 24496.

It is an arithmetic number, because the mean of its divisors is an integer number (25177545).

Almost surely, 2^134191678 is an apocalyptic number.

134191678 is a deficient number, since it is larger than the sum of its proper divisors (67228682).

134191678 is a wasteful number, since it uses less digits than its factorization.

134191678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44282.

The product of its digits is 36288, while the sum is 40.

The square root of 134191678 is about 11584.1131727897. The cubic root of 134191678 is about 511.9668735688.

The spelling of 134191678 in words is "one hundred thirty-four million, one hundred ninety-one thousand, six hundred seventy-eight".