2135040 has 88 divisors (see below), whose sum is σ = 6877920. Its totient is φ = 565248.

The previous prime is 2135027. The next prime is 2135051. The reversal of 2135040 is 405312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15291 + ... + 15429.

2^2135040 is an apocalyptic number.

2135040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2135040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3438960).

2135040 is an abundant number, since it is smaller than the sum of its proper divisors (4742880).

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

2135040 is a wasteful number, since it uses less digits than its factorization.

2135040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2135040 is about 1461.1776072744. The cubic root of 2135040 is about 128.7662373087.

It can be divided in two parts, 213 and 5040, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 2135040 in words is "two million, one hundred thirty-five thousand, forty".