834996810138 has 16 divisors (see below), whose sum is σ = 1670043868416. Its totient is φ = 278323895360.

The previous prime is 834996810103. The next prime is 834996810139. The reversal of 834996810138 is 831018699438.

It is not an unprimeable number, because it can be changed into a prime (834996810139) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1875903 + ... + 2277938.

It is an arithmetic number, because the mean of its divisors is an integer number (104377741776).

Almost surely, 2^834996810138 is an apocalyptic number.

834996810138 is an abundant number, since it is smaller than the sum of its proper divisors (835047058278).

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

834996810138 is a wasteful number, since it uses less digits than its factorization.

834996810138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187349.

The product of its (nonzero) digits is 8957952, while the sum is 60.

The spelling of 834996810138 in words is "eight hundred thirty-four billion, nine hundred ninety-six million, eight hundred ten thousand, one hundred thirty-eight".