8158136133828 has 24 divisors (see below), whose sum is σ = 19863287978688. Its totient is φ = 2601144854176.

The previous prime is 8158136133817. The next prime is 8158136133853. The reversal of 8158136133828 is 8283316318518.

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, 14779231851 + ... + 14779232402.

It is an arithmetic number, because the mean of its divisors is an integer number (827636999112).

Almost surely, 2^{8158136133828} is an apocalyptic number.

It is an amenable number.

8158136133828 is an abundant number, since it is smaller than the sum of its proper divisors (11705151844860).

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

8158136133828 is a wasteful number, since it uses less digits than its factorization.

8158136133828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29558464283 (or 29558464281 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 57.

The spelling of 8158136133828 in words is "eight trillion, one hundred fifty-eight billion, one hundred thirty-six million, one hundred thirty-three thousand, eight hundred twenty-eight".