134193678 has 16 divisors (see below), whose sum is σ = 269940816. Its totient is φ = 44472320.

The previous prime is 134193677. The next prime is 134193727. The reversal of 134193678 is 876391431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134193673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63603 + ... + 65678.

It is an arithmetic number, because the mean of its divisors is an integer number (16871301).

Almost surely, 2^134193678 is an apocalyptic number.

134193678 is an abundant number, since it is smaller than the sum of its proper divisors (135747138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134193678 is a wasteful number, since it uses less digits than its factorization.

134193678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129459.

The product of its digits is 108864, while the sum is 42.

The square root of 134193678 is about 11584.1994975915. The cubic root of 134193678 is about 511.9694170168.

The spelling of 134193678 in words is "one hundred thirty-four million, one hundred ninety-three thousand, six hundred seventy-eight".