134778908 has 12 divisors (see below), whose sum is σ = 257305272. Its totient is φ = 61263120.

The previous prime is 134778893. The next prime is 134778911. The reversal of 134778908 is 809877431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531535 + ... + 1531622.

It is an arithmetic number, because the mean of its divisors is an integer number (21442106).

Almost surely, 2^134778908 is an apocalyptic number.

It is an amenable number.

134778908 is a deficient number, since it is larger than the sum of its proper divisors (122526364).

134778908 is a wasteful number, since it uses less digits than its factorization.

134778908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063172 (or 3063170 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 134778908 is about 11609.4318551771. The cubic root of 134778908 is about 512.7125850576.

The spelling of 134778908 in words is "one hundred thirty-four million, seven hundred seventy-eight thousand, nine hundred eight".