13520121422 has 8 divisors (see below), whose sum is σ = 21347560200. Its totient is φ = 6404268024.

The previous prime is 13520121413. The next prime is 13520121427. The reversal of 13520121422 is 22412102531.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13520121427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 177896297 + ... + 177896372.

It is an arithmetic number, because the mean of its divisors is an integer number (2668445025).

Almost surely, 2^13520121422 is an apocalyptic number.

13520121422 is a deficient number, since it is larger than the sum of its proper divisors (7827438778).

13520121422 is a wasteful number, since it uses less digits than its factorization.

13520121422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355792690.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 13520121422 its reverse (22412102531), we get a palindrome (35932223953).

The spelling of 13520121422 in words is "thirteen billion, five hundred twenty million, one hundred twenty-one thousand, four hundred twenty-two".