13135527848 has 32 divisors (see below), whose sum is σ = 25338254760. Its totient is φ = 6380037120.

The previous prime is 13135527803. The next prime is 13135527851. The reversal of 13135527848 is 84872553131.

It can be written as a sum of positive squares in 4 ways, for example, as 6935225284 + 6200302564 = 83278^2 + 78742^2 .

It is a super-2 number, since 2×13135527848² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9515 + ... + 162362.

Almost surely, 2^13135527848 is an apocalyptic number.

It is an amenable number.

13135527848 is a deficient number, since it is larger than the sum of its proper divisors (12202726912).

13135527848 is a wasteful number, since it uses less digits than its factorization.

13135527848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172157 (or 172153 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The spelling of 13135527848 in words is "thirteen billion, one hundred thirty-five million, five hundred twenty-seven thousand, eight hundred forty-eight".