219430134 has 160 divisors (see below), whose sum is σ = 627264000. Its totient is φ = 56836080.

The previous prime is 219430129. The next prime is 219430139. The reversal of 219430134 is 431034912.

219430134 is a `hidden beast` number, since 219 + 430 + 13 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (219430129) and next prime (219430139).

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 = 219430098 and 219430107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219430139) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 611047 + ... + 611405.

It is an arithmetic number, because the mean of its divisors is an integer number (3920400).

Almost surely, 2^219430134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 219430134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313632000).

219430134 is an abundant number, since it is smaller than the sum of its proper divisors (407833866).

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

219430134 is a wasteful number, since it uses less digits than its factorization.

219430134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 219430134 is about 14813.1743390807. The cubic root of 219430134 is about 603.1593846147.

The spelling of 219430134 in words is "two hundred nineteen million, four hundred thirty thousand, one hundred thirty-four".