219142975 has 12 divisors (see below), whose sum is σ = 272196864. Its totient is φ = 175017920.

The previous prime is 219142961. The next prime is 219143003. The reversal of 219142975 is 579241912.

It is a happy number.

It is not a de Polignac number, because 219142975 - 2⁵ = 219142943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8322 + ... + 22528.

It is an arithmetic number, because the mean of its divisors is an integer number (22683072).

Almost surely, 2^219142975 is an apocalyptic number.

219142975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

219142975 is a deficient number, since it is larger than the sum of its proper divisors (53053889).

219142975 is a wasteful number, since it uses less digits than its factorization.

219142975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14834 (or 14829 counting only the distinct ones).

The product of its digits is 45360, while the sum is 40.

The square root of 219142975 is about 14803.4784763582. The cubic root of 219142975 is about 602.8961599732.

The spelling of 219142975 in words is "two hundred nineteen million, one hundred forty-two thousand, nine hundred seventy-five".