13203143040 has 128 divisors (see below), whose sum is σ = 43442795520. Its totient is φ = 3407247360.

The previous prime is 13203143021. The next prime is 13203143053. The reversal of 13203143040 is 4034130231.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×13203143040² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13203142998 and 13203143016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51394 + ... + 170433.

It is an arithmetic number, because the mean of its divisors is an integer number (339396840).

Almost surely, 2^13203143040 is an apocalyptic number.

13203143040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13203143040 is an abundant number, since it is smaller than the sum of its proper divisors (30239652480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13203143040 is a wasteful number, since it uses less digits than its factorization.

13203143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221880 (or 221868 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13203143040 its reverse (4034130231), we get a palindrome (17237273271).

The spelling of 13203143040 in words is "thirteen billion, two hundred three million, one hundred forty-three thousand, forty".