134263247 has 2 divisors, whose sum is σ = 134263248. Its totient is φ = 134263246.

The previous prime is 134263237. The next prime is 134263249. The reversal of 134263247 is 742362431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134263247 - 2¹⁰ = 134262223 is a prime.

Together with 134263249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134263249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67131623 + 67131624.

It is an arithmetic number, because the mean of its divisors is an integer number (67131624).

Almost surely, 2^134263247 is an apocalyptic number.

134263247 is a deficient number, since it is larger than the sum of its proper divisors (1).

134263247 is an equidigital number, since it uses as much as digits as its factorization.

134263247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 32.

The square root of 134263247 is about 11587.2018623997. The cubic root of 134263247 is about 512.0578738596.

The spelling of 134263247 in words is "one hundred thirty-four million, two hundred sixty-three thousand, two hundred forty-seven".