13040234405 has 8 divisors (see below), whose sum is σ = 17070852384. Its totient is φ = 9483806800.

The previous prime is 13040234371. The next prime is 13040234407. The reversal of 13040234405 is 50443204031.

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

It is not a de Polignac number, because 13040234405 - 2⁶ = 13040234341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13040234407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118547531 + ... + 118547640.

It is an arithmetic number, because the mean of its divisors is an integer number (2133856548).

Almost surely, 2^13040234405 is an apocalyptic number.

It is an amenable number.

13040234405 is a deficient number, since it is larger than the sum of its proper divisors (4030617979).

13040234405 is a wasteful number, since it uses less digits than its factorization.

13040234405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237095187.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 13040234405 its reverse (50443204031), we get a palindrome (63483438436).

The spelling of 13040234405 in words is "thirteen billion, forty million, two hundred thirty-four thousand, four hundred five".