135210347 has 2 divisors, whose sum is σ = 135210348. Its totient is φ = 135210346.

The previous prime is 135210331. The next prime is 135210371. The reversal of 135210347 is 743012531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135210347 - 2⁴ = 135210331 is a prime.

It is a super-3 number, since 3×135210347³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135210377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67605173 + 67605174.

It is an arithmetic number, because the mean of its divisors is an integer number (67605174).

Almost surely, 2^135210347 is an apocalyptic number.

135210347 is a deficient number, since it is larger than the sum of its proper divisors (1).

135210347 is an equidigital number, since it uses as much as digits as its factorization.

135210347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 135210347 is about 11627.9984090126. The cubic root of 135210347 is about 513.2590815280.

Adding to 135210347 its reverse (743012531), we get a palindrome (878222878).

The spelling of 135210347 in words is "one hundred thirty-five million, two hundred ten thousand, three hundred forty-seven".