219812141 has 8 divisors (see below), whose sum is σ = 227681280. Its totient is φ = 211962352.

The previous prime is 219812123. The next prime is 219812161. The reversal of 219812141 is 141218912.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-219812141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219812161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20636 + ... + 29418.

It is an arithmetic number, because the mean of its divisors is an integer number (28460160).

Almost surely, 2^219812141 is an apocalyptic number.

It is an amenable number.

219812141 is a deficient number, since it is larger than the sum of its proper divisors (7869139).

219812141 is an equidigital number, since it uses as much as digits as its factorization.

219812141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9675.

The product of its digits is 1152, while the sum is 29.

The square root of 219812141 is about 14826.0628961299. The cubic root of 219812141 is about 603.5091960772.

The spelling of 219812141 in words is "two hundred nineteen million, eight hundred twelve thousand, one hundred forty-one".