2135504 has 40 divisors (see below), whose sum is σ = 4940160. Its totient is φ = 874368.

The previous prime is 2135503. The next prime is 2135519. The reversal of 2135504 is 4055312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162 + ... + 2990.

It is an arithmetic number, because the mean of its divisors is an integer number (123504).

2^2135504 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 2135504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2470080).

2135504 is an abundant number, since it is smaller than the sum of its proper divisors (2804656).

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

2135504 is a wasteful number, since it uses less digits than its factorization.

2135504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2135504 is about 1461.3363746927. The cubic root of 2135504 is about 128.7755647227.

The spelling of 2135504 in words is "two million, one hundred thirty-five thousand, five hundred four".