68020526135 has 8 divisors (see below), whose sum is σ = 81626687280. Its totient is φ = 54415050304.

The previous prime is 68020526099. The next prime is 68020526179. The reversal of 68020526135 is 53162502086.

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

It is a cyclic number.

It is not a de Polignac number, because 68020526135 - 2⁸ = 68020525879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80756 + ... + 377574.

It is an arithmetic number, because the mean of its divisors is an integer number (10203335910).

Almost surely, 2^68020526135 is an apocalyptic number.

68020526135 is a deficient number, since it is larger than the sum of its proper divisors (13606161145).

68020526135 is a wasteful number, since it uses less digits than its factorization.

68020526135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342657.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 68020526135 in words is "sixty-eight billion, twenty million, five hundred twenty-six thousand, one hundred thirty-five".