134445678 has 16 divisors (see below), whose sum is σ = 269021520. Its totient is φ = 44793536.

The previous prime is 134445599. The next prime is 134445697. The reversal of 134445678 is 876544431.

134445678 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

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, 12628 + ... + 20696.

It is an arithmetic number, because the mean of its divisors is an integer number (16813845).

Almost surely, 2^134445678 is an apocalyptic number.

134445678 is an abundant number, since it is smaller than the sum of its proper divisors (134575842).

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

134445678 is a wasteful number, since it uses less digits than its factorization.

134445678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10851.

The product of its digits is 322560, while the sum is 42.

The square root of 134445678 is about 11595.0712805054. The cubic root of 134445678 is about 512.2896894768.

The spelling of 134445678 in words is "one hundred thirty-four million, four hundred forty-five thousand, six hundred seventy-eight".