13405404106 has 8 divisors (see below), whose sum is σ = 20801489220. Its totient is φ = 6471574368.

The previous prime is 13405404091. The next prime is 13405404149. The reversal of 13405404106 is 60140450431.

It can be written as a sum of positive squares in 2 ways, for example, as 13169628081 + 235776025 = 114759^2 + 15355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115563771 + ... + 115563886.

Almost surely, 2^13405404106 is an apocalyptic number.

13405404106 is a deficient number, since it is larger than the sum of its proper divisors (7396085114).

13405404106 is a wasteful number, since it uses less digits than its factorization.

13405404106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231127688.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 13405404106 its reverse (60140450431), we get a palindrome (73545854537).

The spelling of 13405404106 in words is "thirteen billion, four hundred five million, four hundred four thousand, one hundred six".