134509473 has 24 divisors (see below), whose sum is σ = 223184000. Its totient is φ = 76469184.

The previous prime is 134509471. The next prime is 134509481. The reversal of 134509473 is 374905431.

134509473 is a `hidden beast` number, since 134 + 50 + 9 + 473 = 666.

It is not a de Polignac number, because 134509473 - 2¹ = 134509471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134509471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7173 + ... + 17901.

Almost surely, 2^134509473 is an apocalyptic number.

It is an amenable number.

134509473 is a deficient number, since it is larger than the sum of its proper divisors (88674527).

134509473 is a wasteful number, since it uses less digits than its factorization.

134509473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10941 (or 10938 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 134509473 is about 11597.8219075825. The cubic root of 134509473 is about 512.3707044845.

The spelling of 134509473 in words is "one hundred thirty-four million, five hundred nine thousand, four hundred seventy-three".