134247 has 8 divisors (see below), whose sum is σ = 181744. Its totient is φ = 88128.

The previous prime is 134243. The next prime is 134257. The reversal of 134247 is 742431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134247 - 2² = 134243 is a prime.

It is a d-powerful number, because it can be written as 1 + 3⁴ + 2⁷ + 4 + 4⁷ + 7⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88 + ... + 525.

It is an arithmetic number, because the mean of its divisors is an integer number (22718).

2¹³⁴²⁴⁷ is an apocalyptic number.

134247 is a deficient number, since it is larger than the sum of its proper divisors (47497).

134247 is an equidigital number, since it uses as much as digits as its factorization.

134247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689.

The product of its digits is 672, while the sum is 21.

The square root of 134247 is about 366.3973253177. The cubic root of 134247 is about 51.2037218567.

Adding to 134247 its reverse (742431), we get a palindrome (876678).

It can be divided in two parts, 13424 and 7, that added together give a palindrome (13431).

The spelling of 134247 in words is "one hundred thirty-four thousand, two hundred forty-seven".