135711229 has 2 divisors, whose sum is σ = 135711230. Its totient is φ = 135711228.

The previous prime is 135711157. The next prime is 135711253. The reversal of 135711229 is 922117531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104652900 + 31058329 = 10230^2 + 5573^2 .

It is a cyclic number.

It is not a de Polignac number, because 135711229 - 2⁷ = 135711101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135711229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135711259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67855614 + 67855615.

It is an arithmetic number, because the mean of its divisors is an integer number (67855615).

Almost surely, 2^135711229 is an apocalyptic number.

It is an amenable number.

135711229 is a deficient number, since it is larger than the sum of its proper divisors (1).

135711229 is an equidigital number, since it uses as much as digits as its factorization.

135711229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 31.

The square root of 135711229 is about 11649.5162560511. The cubic root of 135711229 is about 513.8920839621.

The spelling of 135711229 in words is "one hundred thirty-five million, seven hundred eleven thousand, two hundred twenty-nine".