834139156 has 12 divisors (see below), whose sum is σ = 1459965780. Its totient is φ = 417006080.

The previous prime is 834139133. The next prime is 834139157. The reversal of 834139156 is 651931438.

It can be written as a sum of positive squares in 2 ways, for example, as 693479556 + 140659600 = 26334^2 + 11860^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834139157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25890 + ... + 48358.

It is an arithmetic number, because the mean of its divisors is an integer number (121663815).

Almost surely, 2^834139156 is an apocalyptic number.

It is an amenable number.

834139156 is a deficient number, since it is larger than the sum of its proper divisors (625826624).

834139156 is a wasteful number, since it uses less digits than its factorization.

834139156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31754 (or 31752 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 834139156 is about 28881.4673449948. The cubic root of 834139156 is about 941.3392544285.

The spelling of 834139156 in words is "eight hundred thirty-four million, one hundred thirty-nine thousand, one hundred fifty-six".