12528487134 has 32 divisors (see below), whose sum is σ = 27856673280. Its totient is φ = 4173823800.

The previous prime is 12528487109. The next prime is 12528487151. The reversal of 12528487134 is 43178482521.

12528487134 is a `hidden beast` number, since 12 + 5 + 28 + 487 + 134 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12528487134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33739 + ... + 161849.

It is an arithmetic number, because the mean of its divisors is an integer number (870521040).

Almost surely, 2^12528487134 is an apocalyptic number.

12528487134 is an abundant number, since it is smaller than the sum of its proper divisors (15328186146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12528487134 is a wasteful number, since it uses less digits than its factorization.

12528487134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129933 (or 129927 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The spelling of 12528487134 in words is "twelve billion, five hundred twenty-eight million, four hundred eighty-seven thousand, one hundred thirty-four".