831929138 has 8 divisors (see below), whose sum is σ = 1248229632. Its totient is φ = 415852596.

The previous prime is 831929123. The next prime is 831929167.

831929138 is nontrivially palindromic in base 10.

831929138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 46370 + ... + 61757.

It is an arithmetic number, because the mean of its divisors is an integer number (156028704).

Almost surely, 2^831929138 is an apocalyptic number.

831929138 is a deficient number, since it is larger than the sum of its proper divisors (416300494).

831929138 is a wasteful number, since it uses less digits than its factorization.

831929138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111976.

The product of its digits is 93312, while the sum is 44.

The square root of 831929138 is about 28843.1818286402. The cubic root of 831929138 is about 940.5071723625.

The spelling of 831929138 in words is "eight hundred thirty-one million, nine hundred twenty-nine thousand, one hundred thirty-eight".