134091678 has 64 divisors (see below), whose sum is σ = 318689280. Its totient is φ = 36806400.

The previous prime is 134091653. The next prime is 134091697. The reversal of 134091678 is 876190431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235378 + ... + 235946.

It is an arithmetic number, because the mean of its divisors is an integer number (4979520).

Almost surely, 2^134091678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134091678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159344640).

134091678 is an abundant number, since it is smaller than the sum of its proper divisors (184597602).

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

134091678 is a wasteful number, since it uses less digits than its factorization.

134091678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 134091678 is about 11579.7961121947. The cubic root of 134091678 is about 511.8396689347.

The spelling of 134091678 in words is "one hundred thirty-four million, ninety-one thousand, six hundred seventy-eight".