135318272055 has 16 divisors (see below), whose sum is σ = 216521735040. Its totient is φ = 72165578528.

The previous prime is 135318272053. The next prime is 135318272071. The reversal of 135318272055 is 550272813531.

It is a cyclic number.

It is not a de Polignac number, because 135318272055 - 2¹ = 135318272053 is a prime.

It is a super-2 number, since 2×135318272055² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135318271998 and 135318272016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135318272051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17644 + ... + 520526.

It is an arithmetic number, because the mean of its divisors is an integer number (13532608440).

Almost surely, 2^135318272055 is an apocalyptic number.

135318272055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135318272055 is a deficient number, since it is larger than the sum of its proper divisors (81203462985).

135318272055 is a wasteful number, since it uses less digits than its factorization.

135318272055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520830.

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 135318272055 in words is "one hundred thirty-five billion, three hundred eighteen million, two hundred seventy-two thousand, fifty-five".