13136003506 has 8 divisors (see below), whose sum is σ = 19723536540. Its totient is φ = 6561491328.

The previous prime is 13136003497. The next prime is 13136003527. The reversal of 13136003506 is 60530063131.

It can be written as a sum of positive squares in 2 ways, for example, as 13131097281 + 4906225 = 114591^2 + 2215^2 .

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, 3252691 + ... + 3256726.

Almost surely, 2^13136003506 is an apocalyptic number.

13136003506 is a deficient number, since it is larger than the sum of its proper divisors (6587533034).

13136003506 is a wasteful number, since it uses less digits than its factorization.

13136003506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6510428.

The product of its (nonzero) digits is 4860, while the sum is 28.

Adding to 13136003506 its reverse (60530063131), we get a palindrome (73666066637).

The spelling of 13136003506 in words is "thirteen billion, one hundred thirty-six million, three thousand, five hundred six".