13405040134 has 16 divisors (see below), whose sum is σ = 20687752368. Its totient is φ = 6509767392.

The previous prime is 13405040101. The next prime is 13405040149. The reversal of 13405040134 is 43104050431.

It is a junction number, because it is equal to n+sod(n) for n = 13405040099 and 13405040108.

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, 119217 + ... + 202540.

It is an arithmetic number, because the mean of its divisors is an integer number (1292984523).

Almost surely, 2^13405040134 is an apocalyptic number.

13405040134 is a deficient number, since it is larger than the sum of its proper divisors (7282712234).

13405040134 is a wasteful number, since it uses less digits than its factorization.

13405040134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322359.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 13405040134 its reverse (43104050431), we get a palindrome (56509090565).

The spelling of 13405040134 in words is "thirteen billion, four hundred five million, forty thousand, one hundred thirty-four".