13577222138 has 32 divisors (see below), whose sum is σ = 21370176000. Its totient is φ = 6457247280.

The previous prime is 13577222129. The next prime is 13577222143. The reversal of 13577222138 is 83122277531.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13577222095 and 13577222104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7596881 + ... + 7598667.

It is an arithmetic number, because the mean of its divisors is an integer number (667818000).

Almost surely, 2^13577222138 is an apocalyptic number.

13577222138 is a deficient number, since it is larger than the sum of its proper divisors (7792953862).

13577222138 is a wasteful number, since it uses less digits than its factorization.

13577222138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642.

The product of its digits is 141120, while the sum is 41.

Adding to 13577222138 its reverse (83122277531), we get a palindrome (96699499669).

The spelling of 13577222138 in words is "thirteen billion, five hundred seventy-seven million, two hundred twenty-two thousand, one hundred thirty-eight".