135212159 has 2 divisors, whose sum is σ = 135212160. Its totient is φ = 135212158.

The previous prime is 135212153. The next prime is 135212179. The reversal of 135212159 is 951212531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135212159 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135212153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67606079 + 67606080.

It is an arithmetic number, because the mean of its divisors is an integer number (67606080).

Almost surely, 2^135212159 is an apocalyptic number.

135212159 is a deficient number, since it is larger than the sum of its proper divisors (1).

135212159 is an equidigital number, since it uses as much as digits as its factorization.

135212159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 29.

The square root of 135212159 is about 11628.0763241389. The cubic root of 135212159 is about 513.2613743045.

The spelling of 135212159 in words is "one hundred thirty-five million, two hundred twelve thousand, one hundred fifty-nine".