834590140 has 12 divisors (see below), whose sum is σ = 1752639336. Its totient is φ = 333836048.

The previous prime is 834590131. The next prime is 834590171. The reversal of 834590140 is 41095438.

It is a junction number, because it is equal to n+sod(n) for n = 834590096 and 834590105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20864734 + ... + 20864773.

It is an arithmetic number, because the mean of its divisors is an integer number (146053278).

Almost surely, 2^834590140 is an apocalyptic number.

It is an amenable number.

834590140 is an abundant number, since it is smaller than the sum of its proper divisors (918049196).

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

834590140 is a wasteful number, since it uses less digits than its factorization.

834590140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41729516 (or 41729514 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 834590140 is about 28889.2737880342. The cubic root of 834590140 is about 941.5088713939.

The spelling of 834590140 in words is "eight hundred thirty-four million, five hundred ninety thousand, one hundred forty".