134067247 has 4 divisors (see below), whose sum is σ = 134472616. Its totient is φ = 133661880.

The previous prime is 134067239. The next prime is 134067251. The reversal of 134067247 is 742760431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 742760431 = 7 ⋅106108633.

It is a cyclic number.

It is not a de Polignac number, because 134067247 - 2³ = 134067239 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 (134067217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202188 + ... + 202849.

It is an arithmetic number, because the mean of its divisors is an integer number (33618154).

Almost surely, 2^134067247 is an apocalyptic number.

134067247 is a deficient number, since it is larger than the sum of its proper divisors (405369).

134067247 is an equidigital number, since it uses as much as digits as its factorization.

134067247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405368.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 134067247 is about 11578.7411664654. The cubic root of 134067247 is about 511.8085819583.

The spelling of 134067247 in words is "one hundred thirty-four million, sixty-seven thousand, two hundred forty-seven".