135730229 has 2 divisors, whose sum is σ = 135730230. Its totient is φ = 135730228.

The previous prime is 135730223. The next prime is 135730247. The reversal of 135730229 is 922037531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100600900 + 35129329 = 10030^2 + 5927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135730229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135730195 and 135730204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135730223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67865114 + 67865115.

It is an arithmetic number, because the mean of its divisors is an integer number (67865115).

Almost surely, 2^135730229 is an apocalyptic number.

It is an amenable number.

135730229 is a deficient number, since it is larger than the sum of its proper divisors (1).

135730229 is an equidigital number, since it uses as much as digits as its factorization.

135730229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 135730229 is about 11650.3317120158. The cubic root of 135730229 is about 513.9160650137.

The spelling of 135730229 in words is "one hundred thirty-five million, seven hundred thirty thousand, two hundred twenty-nine".