135304208672655 has 32 divisors (see below), whose sum is σ = 236169472965120. Its totient is φ = 65601449758080.

The previous prime is 135304208672557. The next prime is 135304208672669. The reversal of 135304208672655 is 556276802403531.

It is not a de Polignac number, because 135304208672655 - 2⁷ = 135304208672527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135304208672595 and 135304208672604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14969049 + ... + 22241421.

It is an arithmetic number, because the mean of its divisors is an integer number (7380296030160).

Almost surely, 2^{135304208672655} is an apocalyptic number.

135304208672655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135304208672655 is a deficient number, since it is larger than the sum of its proper divisors (100865264292465).

135304208672655 is a wasteful number, since it uses less digits than its factorization.

135304208672655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7385151.

The product of its (nonzero) digits is 36288000, while the sum is 57.

The spelling of 135304208672655 in words is "one hundred thirty-five trillion, three hundred four billion, two hundred eight million, six hundred seventy-two thousand, six hundred fifty-five".