13500320106 has 32 divisors (see below), whose sum is σ = 33231558528. Its totient is φ = 3560523840.

The previous prime is 13500320087. The next prime is 13500320117. The reversal of 13500320106 is 60102300531.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12362385 + ... + 12363476.

It is an arithmetic number, because the mean of its divisors is an integer number (1038486204).

Almost surely, 2^13500320106 is an apocalyptic number.

13500320106 is an abundant number, since it is smaller than the sum of its proper divisors (19731238422).

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

13500320106 is a wasteful number, since it uses less digits than its factorization.

13500320106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24725886.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 13500320106 its reverse (60102300531), we get a palindrome (73602620637).

The spelling of 13500320106 in words is "thirteen billion, five hundred million, three hundred twenty thousand, one hundred six".