13442405156 has 12 divisors (see below), whose sum is σ = 23526170892. Its totient is φ = 6720642048.

The previous prime is 13442405153. The next prime is 13442405173. The reversal of 13442405156 is 65150424431.

It can be written as a sum of positive squares in 2 ways, for example, as 8173968100 + 5268437056 = 90410^2 + 72584^2 .

It is not an unprimeable number, because it can be changed into a prime (13442405153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83645 + ... + 184068.

It is an arithmetic number, because the mean of its divisors is an integer number (1960514241).

Almost surely, 2^13442405156 is an apocalyptic number.

It is an amenable number.

13442405156 is a deficient number, since it is larger than the sum of its proper divisors (10083765736).

13442405156 is a wasteful number, since it uses less digits than its factorization.

13442405156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280270 (or 280268 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 13442405156 its reverse (65150424431), we get a palindrome (78592829587).

The spelling of 13442405156 in words is "thirteen billion, four hundred forty-two million, four hundred five thousand, one hundred fifty-six".