135156529 has 2 divisors, whose sum is σ = 135156530. Its totient is φ = 135156528.

The previous prime is 135156521. The next prime is 135156547. The reversal of 135156529 is 925651531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86992929 + 48163600 = 9327^2 + 6940^2 .

It is a cyclic number.

It is not a de Polignac number, because 135156529 - 2³ = 135156521 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135156521) 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, 67578264 + 67578265.

It is an arithmetic number, because the mean of its divisors is an integer number (67578265).

Almost surely, 2^135156529 is an apocalyptic number.

It is an amenable number.

135156529 is a deficient number, since it is larger than the sum of its proper divisors (1).

135156529 is an equidigital number, since it uses as much as digits as its factorization.

135156529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40500, while the sum is 37.

The square root of 135156529 is about 11625.6840228866. The cubic root of 135156529 is about 513.1909747015.

The spelling of 135156529 in words is "one hundred thirty-five million, one hundred fifty-six thousand, five hundred twenty-nine".