13405040135 has 8 divisors (see below), whose sum is σ = 16089427536. Its totient is φ = 10721779200.

The previous prime is 13405040101. The next prime is 13405040149. The reversal of 13405040135 is 53104050431.

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

It is not a de Polignac number, because 13405040135 - 2¹² = 13405036039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255209 + ... + 303218.

It is an arithmetic number, because the mean of its divisors is an integer number (2011178442).

Almost surely, 2^13405040135 is an apocalyptic number.

13405040135 is a deficient number, since it is larger than the sum of its proper divisors (2684387401).

13405040135 is an equidigital number, since it uses as much as digits as its factorization.

13405040135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563233.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 13405040135 its reverse (53104050431), we get a palindrome (66509090566).

The spelling of 13405040135 in words is "thirteen billion, four hundred five million, forty thousand, one hundred thirty-five".