82135006838 has 8 divisors (see below), whose sum is σ = 123640954200. Its totient is φ = 40921355440.

The previous prime is 82135006829. The next prime is 82135006841. The reversal of 82135006838 is 83860053128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73073288 + ... + 73074411.

It is an arithmetic number, because the mean of its divisors is an integer number (15455119275).

Almost surely, 2^82135006838 is an apocalyptic number.

82135006838 is a deficient number, since it is larger than the sum of its proper divisors (41505947362).

82135006838 is a wasteful number, since it uses less digits than its factorization.

82135006838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146147982.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 82135006838 in words is "eighty-two billion, one hundred thirty-five million, six thousand, eight hundred thirty-eight".