13540022236 has 12 divisors (see below), whose sum is σ = 25517734312. Its totient is φ = 6249241008.

The previous prime is 13540022219. The next prime is 13540022257. The reversal of 13540022236 is 63222004531.

It is a congruent 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, 130192470 + ... + 130192573.

Almost surely, 2^13540022236 is an apocalyptic number.

It is an amenable number.

13540022236 is a deficient number, since it is larger than the sum of its proper divisors (11977712076).

13540022236 is a wasteful number, since it uses less digits than its factorization.

13540022236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260385060 (or 260385058 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 13540022236 its reverse (63222004531), we get a palindrome (76762026767).

The spelling of 13540022236 in words is "thirteen billion, five hundred forty million, twenty-two thousand, two hundred thirty-six".