13507411138 has 8 divisors (see below), whose sum is σ = 21819664188. Its totient is φ = 6234189744.

The previous prime is 13507411103. The next prime is 13507411157. The reversal of 13507411138 is 83111470531.

It is a happy number.

13507411138 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13408945209 + 98465929 = 115797^2 + 9923^2 .

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

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, 259757881 + ... + 259757932.

Almost surely, 2^13507411138 is an apocalyptic number.

13507411138 is a deficient number, since it is larger than the sum of its proper divisors (8312253050).

13507411138 is a wasteful number, since it uses less digits than its factorization.

13507411138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519515828.

The product of its (nonzero) digits is 10080, while the sum is 34.

Adding to 13507411138 its reverse (83111470531), we get a palindrome (96618881669).

The spelling of 13507411138 in words is "thirteen billion, five hundred seven million, four hundred eleven thousand, one hundred thirty-eight".