219138350 has 24 divisors (see below), whose sum is σ = 410585328. Its totient is φ = 87012800.

The previous prime is 219138289. The next prime is 219138377. The reversal of 219138350 is 53831912.

It is a super-3 number, since 3×219138350³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9146 + ... + 22845.

It is an arithmetic number, because the mean of its divisors is an integer number (17107722).

Almost surely, 2^219138350 is an apocalyptic number.

219138350 is a deficient number, since it is larger than the sum of its proper divisors (191446978).

219138350 is a wasteful number, since it uses less digits than its factorization.

219138350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32140 (or 32135 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 219138350 is about 14803.3222622491. The cubic root of 219138350 is about 602.8919185804.

The spelling of 219138350 in words is "two hundred nineteen million, one hundred thirty-eight thousand, three hundred fifty".