13145421356 has 6 divisors (see below), whose sum is σ = 23004487380. Its totient is φ = 6572710676.

The previous prime is 13145421349. The next prime is 13145421413. The reversal of 13145421356 is 65312454131.

13145421356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1643177666 + ... + 1643177673.

It is an arithmetic number, because the mean of its divisors is an integer number (3834081230).

Almost surely, 2^13145421356 is an apocalyptic number.

It is an amenable number.

13145421356 is a deficient number, since it is larger than the sum of its proper divisors (9859066024).

13145421356 is a wasteful number, since it uses less digits than its factorization.

13145421356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286355343 (or 3286355341 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

Adding to 13145421356 its reverse (65312454131), we get a palindrome (78457875487).

The spelling of 13145421356 in words is "thirteen billion, one hundred forty-five million, four hundred twenty-one thousand, three hundred fifty-six".