134843247 has 108 divisors (see below), whose sum is σ = 263499600. Its totient is φ = 66361680.

The previous prime is 134843237. The next prime is 134843249. The reversal of 134843247 is 742348431.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 134843247 - 2⁷ = 134843119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134843249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 7097004 + ... + 7097022.

Almost surely, 2^134843247 is an apocalyptic number.

134843247 is a deficient number, since it is larger than the sum of its proper divisors (128656353).

134843247 is a wasteful number, since it uses less digits than its factorization.

134843247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 40 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 134843247 is about 11612.2025042625. The cubic root of 134843247 is about 512.7941560982.

Multiplying 134843247 by its product of digits (64512), we get a square (8699007550464 = 2949408²).

The spelling of 134843247 in words is "one hundred thirty-four million, eight hundred forty-three thousand, two hundred forty-seven".