134473784 has 32 divisors (see below), whose sum is σ = 261206400. Its totient is φ = 64834560.

The previous prime is 134473751. The next prime is 134473789. The reversal of 134473784 is 487374431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134473789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82772 + ... + 84380.

It is an arithmetic number, because the mean of its divisors is an integer number (8162700).

Almost surely, 2^134473784 is an apocalyptic number.

It is an amenable number.

134473784 is a deficient number, since it is larger than the sum of its proper divisors (126732616).

134473784 is a wasteful number, since it uses less digits than its factorization.

134473784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983 (or 1979 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 134473784 is about 11596.2831976457. The cubic root of 134473784 is about 512.3253852091.

The spelling of 134473784 in words is "one hundred thirty-four million, four hundred seventy-three thousand, seven hundred eighty-four".