134336784 has 40 divisors (see below), whose sum is σ = 348593760. Its totient is φ = 44578048.

The previous prime is 134336747. The next prime is 134336789. The reversal of 134336784 is 487633431.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (134336789) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4732 + ... + 17060.

It is an arithmetic number, because the mean of its divisors is an integer number (8714844).

Almost surely, 2^134336784 is an apocalyptic number.

It is an amenable number.

134336784 is an abundant number, since it is smaller than the sum of its proper divisors (214256976).

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

134336784 is a wasteful number, since it uses less digits than its factorization.

134336784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12567 (or 12561 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 134336784 is about 11590.3746272500. The cubic root of 134336784 is about 512.1513427925.

The spelling of 134336784 in words is "one hundred thirty-four million, three hundred thirty-six thousand, seven hundred eighty-four".