134478744 has 32 divisors (see below), whose sum is σ = 347043840. Its totient is φ = 43380000.

The previous prime is 134478739. The next prime is 134478781. The reversal of 134478744 is 447874431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 134478696 and 134478705.

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, 89632 + ... + 91119.

It is an arithmetic number, because the mean of its divisors is an integer number (10845120).

Almost surely, 2^134478744 is an apocalyptic number.

It is an amenable number.

134478744 is an abundant number, since it is smaller than the sum of its proper divisors (212565096).

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

134478744 is a wasteful number, since it uses less digits than its factorization.

134478744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180791 (or 180787 counting only the distinct ones).

The product of its digits is 301056, while the sum is 42.

The square root of 134478744 is about 11596.4970573014. The cubic root of 134478744 is about 512.3316840890.

The spelling of 134478744 in words is "one hundred thirty-four million, four hundred seventy-eight thousand, seven hundred forty-four".