135623083728685 has 8 divisors (see below), whose sum is σ = 185997371970816. Its totient is φ = 92998685985360.

The previous prime is 135623083728679. The next prime is 135623083728751. The reversal of 135623083728685 is 586827380326531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135623083728685 - 2¹⁹ = 135623083204397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135623083728685.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1937472624661 + ... + 1937472624730.

It is an arithmetic number, because the mean of its divisors is an integer number (23249671496352).

Almost surely, 2^{135623083728685} is an apocalyptic number.

It is an amenable number.

135623083728685 is a deficient number, since it is larger than the sum of its proper divisors (50374288242131).

135623083728685 is an equidigital number, since it uses as much as digits as its factorization.

135623083728685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874945249403.

The product of its (nonzero) digits is 348364800, while the sum is 67.

The spelling of 135623083728685 in words is "one hundred thirty-five trillion, six hundred twenty-three billion, eighty-three million, seven hundred twenty-eight thousand, six hundred eighty-five".