13500240236 has 12 divisors (see below), whose sum is σ = 27000480528. Its totient is φ = 5785817232.

The previous prime is 13500240223. The next prime is 13500240263. The reversal of 13500240236 is 63204200531.

13500240236 is an admirable number.

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, 241075691 + ... + 241075746.

It is an arithmetic number, because the mean of its divisors is an integer number (2250040044).

Almost surely, 2^13500240236 is an apocalyptic number.

It is an amenable number.

13500240236 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13500240236 is a wasteful number, since it uses less digits than its factorization.

13500240236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482151448 (or 482151446 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 13500240236 its reverse (63204200531), we get a palindrome (76704440767).

The spelling of 13500240236 in words is "thirteen billion, five hundred million, two hundred forty thousand, two hundred thirty-six".