134839473 has 16 divisors (see below), whose sum is σ = 189501120. Its totient is φ = 85152704.

The previous prime is 134839457. The next prime is 134839477. The reversal of 134839473 is 374938431.

It is a cyclic number.

It is not a de Polignac number, because 134839473 - 2⁴ = 134839457 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134839477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10011 + ... + 19232.

It is an arithmetic number, because the mean of its divisors is an integer number (11843820).

Almost surely, 2^134839473 is an apocalyptic number.

It is an amenable number.

134839473 is a deficient number, since it is larger than the sum of its proper divisors (54661647).

134839473 is a wasteful number, since it uses less digits than its factorization.

134839473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29328.

The product of its digits is 217728, while the sum is 42.

The square root of 134839473 is about 11612.0400016535. The cubic root of 134839473 is about 512.7893720169.

The spelling of 134839473 in words is "one hundred thirty-four million, eight hundred thirty-nine thousand, four hundred seventy-three".