135388628858 has 12 divisors (see below), whose sum is σ = 236239342362. Its totient is φ = 58023698040.

The previous prime is 135388628849. The next prime is 135388628873. The reversal of 135388628858 is 858826883531.

It can be written as a sum of positive squares in only one way, i.e., 135308472649 + 80156209 = 367843^2 + 8953^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135388628794 and 135388628803.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 690758213 + ... + 690758408.

Almost surely, 2^135388628858 is an apocalyptic number.

135388628858 is a deficient number, since it is larger than the sum of its proper divisors (100850713504).

135388628858 is a wasteful number, since it uses less digits than its factorization.

135388628858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381516637 (or 1381516630 counting only the distinct ones).

The product of its digits is 88473600, while the sum is 65.

The spelling of 135388628858 in words is "one hundred thirty-five billion, three hundred eighty-eight million, six hundred twenty-eight thousand, eight hundred fifty-eight".