135089907208 has 16 divisors (see below), whose sum is σ = 253298748780. Its totient is φ = 67543574208.

The previous prime is 135089907187. The next prime is 135089907217. The reversal of 135089907208 is 802709980531.

It can be written as a sum of positive squares in 2 ways, for example, as 131973811524 + 3116095684 = 363282^2 + 55822^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329866 + ... + 615622.

Almost surely, 2^135089907208 is an apocalyptic number.

It is an amenable number.

135089907208 is a deficient number, since it is larger than the sum of its proper divisors (118208841572).

135089907208 is a wasteful number, since it uses less digits than its factorization.

135089907208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344856 (or 344852 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 135089907208 in words is "one hundred thirty-five billion, eighty-nine million, nine hundred seven thousand, two hundred eight".