13240533938 has 8 divisors (see below), whose sum is σ = 20501472000. Its totient is φ = 6406709940.

The previous prime is 13240533931. The next prime is 13240533941. The reversal of 13240533938 is 83933504231.

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

It is a junction number, because it is equal to n+sod(n) for n = 13240533895 and 13240533904.

It is not an unprimeable number, because it can be changed into a prime (13240533931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106778438 + ... + 106778561.

It is an arithmetic number, because the mean of its divisors is an integer number (2562684000).

Almost surely, 2^13240533938 is an apocalyptic number.

13240533938 is a deficient number, since it is larger than the sum of its proper divisors (7260938062).

13240533938 is a wasteful number, since it uses less digits than its factorization.

13240533938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213557032.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 13240533938 in words is "thirteen billion, two hundred forty million, five hundred thirty-three thousand, nine hundred thirty-eight".