2130700 has 72 divisors (see below), whose sum is σ = 5468400. Its totient is φ = 710400.

The previous prime is 2130683. The next prime is 2130701. The reversal of 2130700 is 70312.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (2130701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14226 + ... + 14374.

It is an arithmetic number, because the mean of its divisors is an integer number (75950).

2^2130700 is an apocalyptic number.

2130700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2130700 is the 1192-nd pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2734200).

2130700 is an abundant number, since it is smaller than the sum of its proper divisors (3337700).

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

2130700 is a wasteful number, since it uses less digits than its factorization.

2130700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 2130700 is about 1459.6917482811. The cubic root of 2130700 is about 128.6789283180.

The spelling of 2130700 in words is "two million, one hundred thirty thousand, seven hundred".