135135443 has 2 divisors, whose sum is σ = 135135444. Its totient is φ = 135135442.

The previous prime is 135135439. The next prime is 135135463. The reversal of 135135443 is 344531531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135135443 - 2² = 135135439 is a prime.

It is a super-3 number, since 3×135135443³ (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 (135135463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67567721 + 67567722.

It is an arithmetic number, because the mean of its divisors is an integer number (67567722).

Almost surely, 2^135135443 is an apocalyptic number.

135135443 is a deficient number, since it is larger than the sum of its proper divisors (1).

135135443 is an equidigital number, since it uses as much as digits as its factorization.

135135443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 135135443 is about 11624.7771161429. Note that the first 3 decimals coincide. The cubic root of 135135443 is about 513.1642853812.

Adding to 135135443 its reverse (344531531), we get a palindrome (479666974).

The spelling of 135135443 in words is "one hundred thirty-five million, one hundred thirty-five thousand, four hundred forty-three".