134145847 has 4 divisors (see below), whose sum is σ = 146340936. Its totient is φ = 121950760.

The previous prime is 134145829. The next prime is 134145857. The reversal of 134145847 is 748541431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134145847 - 2¹¹ = 134143799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134145857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6097528 + ... + 6097549.

It is an arithmetic number, because the mean of its divisors is an integer number (36585234).

Almost surely, 2^134145847 is an apocalyptic number.

134145847 is a deficient number, since it is larger than the sum of its proper divisors (12195089).

134145847 is a wasteful number, since it uses less digits than its factorization.

134145847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12195088.

The product of its digits is 53760, while the sum is 37.

The square root of 134145847 is about 11582.1348204897. The cubic root of 134145847 is about 511.9085822603.

The spelling of 134145847 in words is "one hundred thirty-four million, one hundred forty-five thousand, eight hundred forty-seven".