134812447 has 8 divisors (see below), whose sum is σ = 168077952. Its totient is φ = 105048600.

The previous prime is 134812441. The next prime is 134812471. The reversal of 134812447 is 744218431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134812447 - 2¹¹ = 134810399 is a prime.

It is a super-2 number, since 2×134812447² = 36348791732255618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134812441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875329 + ... + 875482.

It is an arithmetic number, because the mean of its divisors is an integer number (21009744).

Almost surely, 2^134812447 is an apocalyptic number.

134812447 is a deficient number, since it is larger than the sum of its proper divisors (33265505).

134812447 is a wasteful number, since it uses less digits than its factorization.

134812447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750829.

The product of its digits is 21504, while the sum is 34.

The square root of 134812447 is about 11610.8762373905. The cubic root of 134812447 is about 512.7551101120.

The spelling of 134812447 in words is "one hundred thirty-four million, eight hundred twelve thousand, four hundred forty-seven".