219130406 has 8 divisors (see below), whose sum is σ = 358577064. Its totient is φ = 99604720.

The previous prime is 219130397. The next prime is 219130411. The reversal of 219130406 is 604031912.

219130406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4980215 + ... + 4980258.

It is an arithmetic number, because the mean of its divisors is an integer number (44822133).

Almost surely, 2^219130406 is an apocalyptic number.

219130406 is a deficient number, since it is larger than the sum of its proper divisors (139446658).

219130406 is a wasteful number, since it uses less digits than its factorization.

219130406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9960486.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 219130406 is about 14803.0539416703. The cubic root of 219130406 is about 602.8846333330.

The spelling of 219130406 in words is "two hundred nineteen million, one hundred thirty thousand, four hundred six".