5135728348168 has 32 divisors (see below), whose sum is σ = 10506096524160. Its totient is φ = 2334155836480.

The previous prime is 5135728348147. The next prime is 5135728348169. The reversal of 5135728348168 is 8618438275315.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5135728348169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2549455 + ... + 4095262.

It is an arithmetic number, because the mean of its divisors is an integer number (328315516380).

Almost surely, 2^{5135728348168} is an apocalyptic number.

It is an amenable number.

5135728348168 is an abundant number, since it is smaller than the sum of its proper divisors (5370368175992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5135728348168 is a wasteful number, since it uses less digits than its factorization.

5135728348168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6653517 (or 6653513 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 61.

The spelling of 5135728348168 in words is "five trillion, one hundred thirty-five billion, seven hundred twenty-eight million, three hundred forty-eight thousand, one hundred sixty-eight".