135388069808 has 10 divisors (see below), whose sum is σ = 262314385284. Its totient is φ = 67694034896.

The previous prime is 135388069801. The next prime is 135388069813. The reversal of 135388069808 is 808960883531.

It is not an unprimeable number, because it can be changed into a prime (135388069801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4230877166 + ... + 4230877197.

Almost surely, 2^135388069808 is an apocalyptic number.

It is an amenable number.

135388069808 is a deficient number, since it is larger than the sum of its proper divisors (126926315476).

135388069808 is an equidigital number, since it uses as much as digits as its factorization.

135388069808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8461754371 (or 8461754365 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 59.

The spelling of 135388069808 in words is "one hundred thirty-five billion, three hundred eighty-eight million, sixty-nine thousand, eight hundred eight".