7130219 has 4 divisors (see below), whose sum is σ = 7137480. Its totient is φ = 7122960.

The previous prime is 7130213. The next prime is 7130231. The reversal of 7130219 is 9120317.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9120317 = 367 ⋅24851.

It is a cyclic number.

It is not a de Polignac number, because 7130219 - 2¹² = 7126123 is a prime.

It is a super-2 number, since 2×7130219² = 101680045975922, 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 = 7130194 and 7130203.

It is not an unprimeable number, because it can be changed into a prime (7130213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1874 + ... + 4215.

It is an arithmetic number, because the mean of its divisors is an integer number (1784370).

Almost surely, 2^7130219 is an apocalyptic number.

7130219 is a deficient number, since it is larger than the sum of its proper divisors (7261).

7130219 is a wasteful number, since it uses less digits than its factorization.

7130219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7260.

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

The square root of 7130219 is about 2670.2469923211. The cubic root of 7130219 is about 192.4720283189.

The spelling of 7130219 in words is "seven million, one hundred thirty thousand, two hundred nineteen".