13143421345 has 8 divisors (see below), whose sum is σ = 15772810176. Its totient is φ = 10514267376.

The previous prime is 13143421331. The next prime is 13143421367. The reversal of 13143421345 is 54312434131.

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

It is a cyclic number.

It is not a de Polignac number, because 13143421345 - 2⁷ = 13143421217 is a prime.

It is a Duffinian 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, 106854 + ... + 194176.

It is an arithmetic number, because the mean of its divisors is an integer number (1971601272).

Almost surely, 2^13143421345 is an apocalyptic number.

It is an amenable number.

13143421345 is a deficient number, since it is larger than the sum of its proper divisors (2629388831).

13143421345 is an equidigital number, since it uses as much as digits as its factorization.

13143421345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117431.

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

Adding to 13143421345 its reverse (54312434131), we get a palindrome (67455855476).

The spelling of 13143421345 in words is "thirteen billion, one hundred forty-three million, four hundred twenty-one thousand, three hundred forty-five".