13403121045 has 32 divisors (see below), whose sum is σ = 22727526912. Its totient is φ = 6721600512.

The previous prime is 13403121013. The next prime is 13403121073. The reversal of 13403121045 is 54012130431.

It is a happy number.

It is not a de Polignac number, because 13403121045 - 2⁵ = 13403121013 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 257439 + ... + 305091.

It is an arithmetic number, because the mean of its divisors is an integer number (710235216).

Almost surely, 2^13403121045 is an apocalyptic number.

13403121045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13403121045 is a deficient number, since it is larger than the sum of its proper divisors (9324405867).

13403121045 is a wasteful number, since it uses less digits than its factorization.

13403121045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48781.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 13403121045 its reverse (54012130431), we get a palindrome (67415251476).

The spelling of 13403121045 in words is "thirteen billion, four hundred three million, one hundred twenty-one thousand, forty-five".