134034247 has 4 divisors (see below), whose sum is σ = 134058960. Its totient is φ = 134009536.

The previous prime is 134034233. The next prime is 134034281. The reversal of 134034247 is 742430431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134034247 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 (134034217) 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, 298 + ... + 16375.

It is an arithmetic number, because the mean of its divisors is an integer number (33514740).

Almost surely, 2^134034247 is an apocalyptic number.

134034247 is a deficient number, since it is larger than the sum of its proper divisors (24713).

134034247 is an equidigital number, since it uses as much as digits as its factorization.

134034247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24712.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 134034247 is about 11577.3160533865. The cubic root of 134034247 is about 511.7665854490.

Adding to 134034247 its reverse (742430431), we get a palindrome (876464678).

The spelling of 134034247 in words is "one hundred thirty-four million, thirty-four thousand, two hundred forty-seven".