135477822579 has 32 divisors (see below), whose sum is σ = 200498561280. Its totient is φ = 80675865600.

The previous prime is 135477822569. The next prime is 135477822581. The reversal of 135477822579 is 975228774531.

It is a happy number.

It is not a de Polignac number, because 135477822579 - 2²⁰ = 135476774003 is a prime.

It is a super-2 number, since 2×135477822579² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135477822539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4144459 + ... + 4177019.

It is an arithmetic number, because the mean of its divisors is an integer number (6265580040).

Almost surely, 2^135477822579 is an apocalyptic number.

135477822579 is a deficient number, since it is larger than the sum of its proper divisors (65020738701).

135477822579 is a wasteful number, since it uses less digits than its factorization.

135477822579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34771.

The product of its digits is 29635200, while the sum is 60.

The spelling of 135477822579 in words is "one hundred thirty-five billion, four hundred seventy-seven million, eight hundred twenty-two thousand, five hundred seventy-nine".