13203146540 has 12 divisors (see below), whose sum is σ = 27726607776. Its totient is φ = 5281258608.

The previous prime is 13203146521. The next prime is 13203146557. The reversal of 13203146540 is 4564130231.

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, 330078644 + ... + 330078683.

It is an arithmetic number, because the mean of its divisors is an integer number (2310550648).

Almost surely, 2^13203146540 is an apocalyptic number.

13203146540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13203146540 is an abundant number, since it is smaller than the sum of its proper divisors (14523461236).

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

13203146540 is a wasteful number, since it uses less digits than its factorization.

13203146540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660157336 (or 660157334 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 13203146540 its reverse (4564130231), we get a palindrome (17767276771).

The spelling of 13203146540 in words is "thirteen billion, two hundred three million, one hundred forty-six thousand, five hundred forty".