135187636163 has 8 divisors (see below), whose sum is σ = 136454413056. Its totient is φ = 133926193800.

The previous prime is 135187636139. The next prime is 135187636169. The reversal of 135187636163 is 361636781531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135187636163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135187636169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282703 + ... + 1384088.

It is an arithmetic number, because the mean of its divisors is an integer number (17056801632).

Almost surely, 2^135187636163 is an apocalyptic number.

135187636163 is a deficient number, since it is larger than the sum of its proper divisors (1266776893).

135187636163 is a wasteful number, since it uses less digits than its factorization.

135187636163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667265.

The product of its digits is 1632960, while the sum is 50.

The spelling of 135187636163 in words is "one hundred thirty-five billion, one hundred eighty-seven million, six hundred thirty-six thousand, one hundred sixty-three".