13520351229 has 64 divisors (see below), whose sum is σ = 22951821312. Its totient is φ = 6875985600.

The previous prime is 13520351167. The next prime is 13520351267. The reversal of 13520351229 is 92215302531.

It is not a de Polignac number, because 13520351229 - 2¹³ = 13520343037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 13520351229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13520351729) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2582044 + ... + 2587274.

It is an arithmetic number, because the mean of its divisors is an integer number (358622208).

Almost surely, 2^13520351229 is an apocalyptic number.

It is an amenable number.

13520351229 is a deficient number, since it is larger than the sum of its proper divisors (9431470083).

13520351229 is a wasteful number, since it uses less digits than its factorization.

13520351229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486.

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 13520351229 in words is "thirteen billion, five hundred twenty million, three hundred fifty-one thousand, two hundred twenty-nine".