134670778 has 16 divisors (see below), whose sum is σ = 221340960. Its totient is φ = 60944400.

The previous prime is 134670733. The next prime is 134670779. The reversal of 134670778 is 877076431.

It is not an unprimeable number, because it can be changed into a prime (134670779) 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, 8328 + ... + 18403.

It is an arithmetic number, because the mean of its divisors is an integer number (13833810).

Almost surely, 2^134670778 is an apocalyptic number.

134670778 is a deficient number, since it is larger than the sum of its proper divisors (86670182).

134670778 is a wasteful number, since it uses less digits than its factorization.

134670778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26973.

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 134670778 is about 11604.7739314474. The cubic root of 134670778 is about 512.5754358917.

The spelling of 134670778 in words is "one hundred thirty-four million, six hundred seventy thousand, seven hundred seventy-eight".