13143215354 has 8 divisors (see below), whose sum is σ = 19765504980. Its totient is φ = 6554713696.

The previous prime is 13143215317. The next prime is 13143215429. The reversal of 13143215354 is 45351234131.

It can be written as a sum of positive squares in 2 ways, for example, as 13127430625 + 15784729 = 114575^2 + 3973^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 13143215354.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8446019 + ... + 8447574.

Almost surely, 2^13143215354 is an apocalyptic number.

13143215354 is a deficient number, since it is larger than the sum of its proper divisors (6622289626).

13143215354 is a wasteful number, since it uses less digits than its factorization.

13143215354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16893984.

The product of its digits is 21600, while the sum is 32.

Adding to 13143215354 its reverse (45351234131), we get a palindrome (58494449485).

The spelling of 13143215354 in words is "thirteen billion, one hundred forty-three million, two hundred fifteen thousand, three hundred fifty-four".