134202247 has 2 divisors, whose sum is σ = 134202248. Its totient is φ = 134202246.

The previous prime is 134202223. The next prime is 134202253. The reversal of 134202247 is 742202431.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (742202431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134202247 - 2¹⁵ = 134169479 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134202347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67101123 + 67101124.

It is an arithmetic number, because the mean of its divisors is an integer number (67101124).

Almost surely, 2^134202247 is an apocalyptic number.

134202247 is a deficient number, since it is larger than the sum of its proper divisors (1).

134202247 is an equidigital number, since it uses as much as digits as its factorization.

134202247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 134202247 is about 11584.5693489227. The cubic root of 134202247 is about 511.9803141337.

Adding to 134202247 its reverse (742202431), we get a palindrome (876404678).

The spelling of 134202247 in words is "one hundred thirty-four million, two hundred two thousand, two hundred forty-seven".