835140 has 48 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 215040.

The previous prime is 835139. The next prime is 835141. The reversal of 835140 is 41538.

835140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (835139) and next prime (835141).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (835141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636 + ... + 2084.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

2⁸³⁵¹⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 835140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209600).

835140 is an abundant number, since it is smaller than the sum of its proper divisors (1584060).

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

835140 is a wasteful number, since it uses less digits than its factorization.

835140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 835140 is about 913.8599455059. The cubic root of 835140 is about 94.1715593389.

Adding to 835140 its reverse (41538), we get a palindrome (876678).

The spelling of 835140 in words is "eight hundred thirty-five thousand, one hundred forty".