2135790 has 48 divisors (see below), whose sum is σ = 5850000. Its totient is φ = 539136.

The previous prime is 2135779. The next prime is 2135797. The reversal of 2135790 is 975312.

2135790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1086 + ... + 2334.

It is an arithmetic number, because the mean of its divisors is an integer number (121875).

2^2135790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2135790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2925000).

2135790 is an abundant number, since it is smaller than the sum of its proper divisors (3714210).

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

2135790 is a wasteful number, since it uses less digits than its factorization.

2135790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 2135790 is about 1461.4342270523. The cubic root of 2135790 is about 128.7813132748.

The spelling of 2135790 in words is "two million, one hundred thirty-five thousand, seven hundred ninety".