68013337135 has 8 divisors (see below), whose sum is σ = 81622272816. Its totient is φ = 54406490880.

The previous prime is 68013337103. The next prime is 68013337169. The reversal of 68013337135 is 53173331086.

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

It is not a de Polignac number, because 68013337135 - 2⁵ = 68013337103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449826 + ... + 581695.

It is an arithmetic number, because the mean of its divisors is an integer number (10202784102).

Almost surely, 2^68013337135 is an apocalyptic number.

68013337135 is a deficient number, since it is larger than the sum of its proper divisors (13608935681).

68013337135 is a wasteful number, since it uses less digits than its factorization.

68013337135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044713.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 68013337135 in words is "sixty-eight billion, thirteen million, three hundred thirty-seven thousand, one hundred thirty-five".