135081555608 has 32 divisors (see below), whose sum is σ = 259526151360. Its totient is φ = 65875480320.

The previous prime is 135081555563. The next prime is 135081555619. The reversal of 135081555608 is 806555180531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191185 + ... + 1299647.

It is an arithmetic number, because the mean of its divisors is an integer number (8110192230).

Almost surely, 2^135081555608 is an apocalyptic number.

It is an amenable number.

135081555608 is a deficient number, since it is larger than the sum of its proper divisors (124444595752).

135081555608 is a wasteful number, since it uses less digits than its factorization.

135081555608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112307 (or 112303 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 47.

The spelling of 135081555608 in words is "one hundred thirty-five billion, eighty-one million, five hundred fifty-five thousand, six hundred eight".