8133556938 has 32 divisors (see below), whose sum is σ = 17535595392. Its totient is φ = 2500180800.

The previous prime is 8133556919. The next prime is 8133556961. The reversal of 8133556938 is 8396553318.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29848 + ... + 130988.

It is an arithmetic number, because the mean of its divisors is an integer number (547987356).

Almost surely, 2^8133556938 is an apocalyptic number.

8133556938 is an abundant number, since it is smaller than the sum of its proper divisors (9402038454).

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

8133556938 is a wasteful number, since it uses less digits than its factorization.

8133556938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102190.

The product of its digits is 2332800, while the sum is 51.

The square root of 8133556938 is about 90186.2347478816. The cubic root of 8133556938 is about 2011.0683773468.

The spelling of 8133556938 in words is "eight billion, one hundred thirty-three million, five hundred fifty-six thousand, nine hundred thirty-eight".