135155089 has 2 divisors, whose sum is σ = 135155090. Its totient is φ = 135155088.

The previous prime is 135155081. The next prime is 135155093. The reversal of 135155089 is 980551531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117007489 + 18147600 = 10817^2 + 4260^2 .

It is a cyclic number.

It is not a de Polignac number, because 135155089 - 2³ = 135155081 is a prime.

It is not a weakly prime, because it can be changed into another prime (135155081) 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, 67577544 + 67577545.

It is an arithmetic number, because the mean of its divisors is an integer number (67577545).

Almost surely, 2^135155089 is an apocalyptic number.

It is an amenable number.

135155089 is a deficient number, since it is larger than the sum of its proper divisors (1).

135155089 is an equidigital number, since it uses as much as digits as its factorization.

135155089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 37.

The square root of 135155089 is about 11625.6220908818. The cubic root of 135155089 is about 513.1891521292.

The spelling of 135155089 in words is "one hundred thirty-five million, one hundred fifty-five thousand, eighty-nine".