13273608136 has 8 divisors (see below), whose sum is σ = 24888015270. Its totient is φ = 6636804064.

The previous prime is 13273608091. The next prime is 13273608169. The reversal of 13273608136 is 63180637231.

It can be written as a sum of positive squares in only one way, i.e., 9430352100 + 3843256036 = 97110^2 + 61994^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 829600501 + ... + 829600516.

Almost surely, 2^13273608136 is an apocalyptic number.

It is an amenable number.

13273608136 is a deficient number, since it is larger than the sum of its proper divisors (11614407134).

13273608136 is a wasteful number, since it uses less digits than its factorization.

13273608136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659201023 (or 1659201019 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 13273608136 in words is "thirteen billion, two hundred seventy-three million, six hundred eight thousand, one hundred thirty-six".