134668578 has 16 divisors (see below), whose sum is σ = 293822496. Its totient is φ = 40808640.

The previous prime is 134668571. The next prime is 134668591. The reversal of 134668578 is 875866431.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134668571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020151 + ... + 1020282.

It is an arithmetic number, because the mean of its divisors is an integer number (18363906).

Almost surely, 2^134668578 is an apocalyptic number.

134668578 is an abundant number, since it is smaller than the sum of its proper divisors (159153918).

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

134668578 is a wasteful number, since it uses less digits than its factorization.

134668578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040449.

The product of its digits is 967680, while the sum is 48.

The square root of 134668578 is about 11604.6791424839. The cubic root of 134668578 is about 512.5726447094.

The spelling of 134668578 in words is "one hundred thirty-four million, six hundred sixty-eight thousand, five hundred seventy-eight".