134557847 has 2 divisors, whose sum is σ = 134557848. Its totient is φ = 134557846.

The previous prime is 134557817. The next prime is 134557849. The reversal of 134557847 is 748755431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134557847 - 2¹⁰ = 134556823 is a prime.

Together with 134557849, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 134557798 and 134557807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134557849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67278923 + 67278924.

It is an arithmetic number, because the mean of its divisors is an integer number (67278924).

Almost surely, 2^134557847 is an apocalyptic number.

134557847 is a deficient number, since it is larger than the sum of its proper divisors (1).

134557847 is an equidigital number, since it uses as much as digits as its factorization.

134557847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 470400, while the sum is 44.

The square root of 134557847 is about 11599.9071979046. The cubic root of 134557847 is about 512.4321188699.

The spelling of 134557847 in words is "one hundred thirty-four million, five hundred fifty-seven thousand, eight hundred forty-seven".