135161525171 has 8 divisors (see below), whose sum is σ = 135307225200. Its totient is φ = 135015903648.

The previous prime is 135161525159. The next prime is 135161525227. The reversal of 135161525171 is 171525161531.

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-135161525171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135161528171) 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, 3819260 + ... + 3854486.

It is an arithmetic number, because the mean of its divisors is an integer number (16913403150).

Almost surely, 2^135161525171 is an apocalyptic number.

135161525171 is a deficient number, since it is larger than the sum of its proper divisors (145700029).

135161525171 is a wasteful number, since it uses less digits than its factorization.

135161525171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39253.

The product of its digits is 31500, while the sum is 38.

The spelling of 135161525171 in words is "one hundred thirty-five billion, one hundred sixty-one million, five hundred twenty-five thousand, one hundred seventy-one".