134506247 has 2 divisors, whose sum is σ = 134506248. Its totient is φ = 134506246.

The previous prime is 134506237. The next prime is 134506259. The reversal of 134506247 is 742605431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134506247 - 2¹⁴ = 134489863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134506237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67253123 + 67253124.

It is an arithmetic number, because the mean of its divisors is an integer number (67253124).

Almost surely, 2^134506247 is an apocalyptic number.

134506247 is a deficient number, since it is larger than the sum of its proper divisors (1).

134506247 is an equidigital number, since it uses as much as digits as its factorization.

134506247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 134506247 is about 11597.6828289103. The cubic root of 134506247 is about 512.3666083142.

The spelling of 134506247 in words is "one hundred thirty-four million, five hundred six thousand, two hundred forty-seven".