134046778 has 8 divisors (see below), whose sum is σ = 201160800. Its totient is φ = 66993180.

The previous prime is 134046739. The next prime is 134046779. The reversal of 134046778 is 877640431.

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 134046778.

It is not an unprimeable number, because it can be changed into a prime (134046779) 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 3 ways as a sum of consecutive naturals, for example, 9078 + ... + 18721.

It is an arithmetic number, because the mean of its divisors is an integer number (25145100).

Almost surely, 2^134046778 is an apocalyptic number.

134046778 is a deficient number, since it is larger than the sum of its proper divisors (67114022).

134046778 is a wasteful number, since it uses less digits than its factorization.

134046778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30212.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 134046778 is about 11577.8572283476. The cubic root of 134046778 is about 511.7825334806.

The spelling of 134046778 in words is "one hundred thirty-four million, forty-six thousand, seven hundred seventy-eight".