134272247 has 2 divisors, whose sum is σ = 134272248. Its totient is φ = 134272246.

The previous prime is 134272217. The next prime is 134272309. The reversal of 134272247 is 742272431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134272247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134272217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67136123 + 67136124.

It is an arithmetic number, because the mean of its divisors is an integer number (67136124).

Almost surely, 2^134272247 is an apocalyptic number.

134272247 is a deficient number, since it is larger than the sum of its proper divisors (1).

134272247 is an equidigital number, since it uses as much as digits as its factorization.

134272247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 32.

The square root of 134272247 is about 11587.5902153985. The cubic root of 134272247 is about 512.0693151090.

The spelling of 134272247 in words is "one hundred thirty-four million, two hundred seventy-two thousand, two hundred forty-seven".