13321344154 has 8 divisors (see below), whose sum is σ = 19984616820. Its totient is φ = 6659805216.

The previous prime is 13321344137. The next prime is 13321344181. The reversal of 13321344154 is 45144312331.

It can be written as a sum of positive squares in 2 ways, for example, as 8459768529 + 4861575625 = 91977^2 + 69725^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414049 + ... + 445060.

Almost surely, 2^13321344154 is an apocalyptic number.

13321344154 is a deficient number, since it is larger than the sum of its proper divisors (6663272666).

13321344154 is an equidigital number, since it uses as much as digits as its factorization.

13321344154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866864.

The product of its digits is 17280, while the sum is 31.

Adding to 13321344154 its reverse (45144312331), we get a palindrome (58465656485).

The spelling of 13321344154 in words is "thirteen billion, three hundred twenty-one million, three hundred forty-four thousand, one hundred fifty-four".