135271648513 has 8 divisors (see below), whose sum is σ = 140313634208. Its totient is φ = 130315850784.

The previous prime is 135271648511. The next prime is 135271648517. The reversal of 135271648513 is 315846172531.

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 135271648513 - 2¹ = 135271648511 is a prime.

It is a super-2 number, since 2×135271648513² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135271648511) 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, 21543795 + ... + 21550072.

It is an arithmetic number, because the mean of its divisors is an integer number (17539204276).

Almost surely, 2^135271648513 is an apocalyptic number.

It is an amenable number.

135271648513 is a deficient number, since it is larger than the sum of its proper divisors (5041985695).

135271648513 is an equidigital number, since it uses as much as digits as its factorization.

135271648513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43093983.

The product of its digits is 604800, while the sum is 46.

The spelling of 135271648513 in words is "one hundred thirty-five billion, two hundred seventy-one million, six hundred forty-eight thousand, five hundred thirteen".