13520136422 has 16 divisors (see below), whose sum is σ = 21843470880. Its totient is φ = 6239134272.

The previous prime is 13520136401. The next prime is 13520136433. The reversal of 13520136422 is 22463102531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158279 + ... + 228237.

It is an arithmetic number, because the mean of its divisors is an integer number (1365216930).

Almost surely, 2^13520136422 is an apocalyptic number.

13520136422 is a deficient number, since it is larger than the sum of its proper divisors (8323334458).

13520136422 is a wasteful number, since it uses less digits than its factorization.

13520136422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77407.

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

Adding to 13520136422 its reverse (22463102531), we get a palindrome (35983238953).

The spelling of 13520136422 in words is "thirteen billion, five hundred twenty million, one hundred thirty-six thousand, four hundred twenty-two".