219164130 has 48 divisors (see below), whose sum is σ = 590937984. Its totient is φ = 58443120.

The previous prime is 219164129. The next prime is 219164131. The reversal of 219164130 is 31461912.

219164130 is a `hidden beast` number, since 2 + 19 + 1 + 641 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (219164129) and next prime (219164131).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 219164094 and 219164103.

It is not an unprimeable number, because it can be changed into a prime (219164131) 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, 42666 + ... + 47525.

It is an arithmetic number, because the mean of its divisors is an integer number (12311208).

Almost surely, 2^219164130 is an apocalyptic number.

219164130 is an abundant number, since it is smaller than the sum of its proper divisors (371773854).

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

219164130 is an equidigital number, since it uses as much as digits as its factorization.

219164130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90213 (or 90201 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 219164130 is about 14804.1929871236. The cubic root of 219164130 is about 602.9155595728.

The spelling of 219164130 in words is "two hundred nineteen million, one hundred sixty-four thousand, one hundred thirty".