134478812 has 24 divisors (see below), whose sum is σ = 254599296. Its totient is φ = 61783488.

The previous prime is 134478803. The next prime is 134478871. The reversal of 134478812 is 218874431.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5798 + ... + 17394.

It is an arithmetic number, because the mean of its divisors is an integer number (10608304).

Almost surely, 2^134478812 is an apocalyptic number.

It is a pronic number, being equal to 11596×11597.

It is an amenable number.

134478812 is a deficient number, since it is larger than the sum of its proper divisors (120120484).

134478812 is a wasteful number, since it uses less digits than its factorization.

134478812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11837 (or 11835 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 134478812 is about 11596.4999892209. The cubic root of 134478812 is about 512.3317704436.

The spelling of 134478812 in words is "one hundred thirty-four million, four hundred seventy-eight thousand, eight hundred twelve".