135685842458355 has 48 divisors (see below), whose sum is σ = 268943374574784. Its totient is φ = 61991771719680.

The previous prime is 135685842458351. The next prime is 135685842458407. The reversal of 135685842458355 is 553854248586531.

135685842458355 is a `hidden beast` number, since 1 + 3 + 5 + 6 + 8 + 584 + 2 + 4 + 5 + 8 + 35 + 5 = 666.

It is not a de Polignac number, because 135685842458355 - 2² = 135685842458351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135685842458351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124602774 + ... + 125687003.

It is an arithmetic number, because the mean of its divisors is an integer number (5602986970308).

Almost surely, 2^{135685842458355} is an apocalyptic number.

135685842458355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135685842458355 is a deficient number, since it is larger than the sum of its proper divisors (133257532116429).

135685842458355 is a wasteful number, since it uses less digits than its factorization.

135685842458355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250291516 (or 250291513 counting only the distinct ones).

The product of its digits is 2764800000, while the sum is 72.

The spelling of 135685842458355 in words is "one hundred thirty-five trillion, six hundred eighty-five billion, eight hundred forty-two million, four hundred fifty-eight thousand, three hundred fifty-five".