219140074 has 8 divisors (see below), whose sum is σ = 329578560. Its totient is φ = 109280556.

The previous prime is 219140071. The next prime is 219140143. The reversal of 219140074 is 470041912.

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

It is not an unprimeable number, because it can be changed into a prime (219140071) 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, 143794 + ... + 145309.

It is an arithmetic number, because the mean of its divisors is an integer number (41197320).

Almost surely, 2^219140074 is an apocalyptic number.

219140074 is a deficient number, since it is larger than the sum of its proper divisors (110438486).

219140074 is a wasteful number, since it uses less digits than its factorization.

219140074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289484.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 219140074 is about 14803.3804923065. The cubic root of 219140074 is about 602.8934995952.

Adding to 219140074 its reverse (470041912), we get a palindrome (689181986).

The spelling of 219140074 in words is "two hundred nineteen million, one hundred forty thousand, seventy-four".