219141464 has 16 divisors (see below), whose sum is σ = 413022120. Its totient is φ = 109002240.

The previous prime is 219141451. The next prime is 219141467. The reversal of 219141464 is 464141912.

It is a self number, because there is not a number n which added to its sum of digits gives 219141464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219141467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69422 + ... + 72509.

Almost surely, 2^219141464 is an apocalyptic number.

It is an amenable number.

219141464 is a deficient number, since it is larger than the sum of its proper divisors (193880656).

219141464 is a wasteful number, since it uses less digits than its factorization.

219141464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142130 (or 142126 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 219141464 is about 14803.4274409679. The cubic root of 219141464 is about 602.8947743053.

The spelling of 219141464 in words is "two hundred nineteen million, one hundred forty-one thousand, four hundred sixty-four".