2130719 has 4 divisors (see below), whose sum is σ = 2188344. Its totient is φ = 2073096.

The previous prime is 2130703. The next prime is 2130721. The reversal of 2130719 is 9170312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2130719 - 2⁴ = 2130703 is a prime.

It is a super-2 number, since 2×2130719² = 9079926913922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2130694 and 2130703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28757 + ... + 28830.

It is an arithmetic number, because the mean of its divisors is an integer number (547086).

2^2130719 is an apocalyptic number.

2130719 is a deficient number, since it is larger than the sum of its proper divisors (57625).

2130719 is an equidigital number, since it uses as much as digits as its factorization.

2130719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57624.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 2130719 is about 1459.6982564900. The cubic root of 2130719 is about 128.6793108046.

The spelling of 2130719 in words is "two million, one hundred thirty thousand, seven hundred nineteen".