135682247 has 2 divisors, whose sum is σ = 135682248. Its totient is φ = 135682246.

The previous prime is 135682237. The next prime is 135682273. The reversal of 135682247 is 742286531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135682247 - 2¹⁴ = 135665863 is a prime.

It is equal to p_7681817 and since 135682247 and 7681817 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135682247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135682237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67841123 + 67841124.

It is an arithmetic number, because the mean of its divisors is an integer number (67841124).

Almost surely, 2^135682247 is an apocalyptic number.

135682247 is a deficient number, since it is larger than the sum of its proper divisors (1).

135682247 is an equidigital number, since it uses as much as digits as its factorization.

135682247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 135682247 is about 11648.2722753205. The cubic root of 135682247 is about 513.8554997118.

The spelling of 135682247 in words is "one hundred thirty-five million, six hundred eighty-two thousand, two hundred forty-seven".