219039133 has 2 divisors, whose sum is σ = 219039134. Its totient is φ = 219039132.

The previous prime is 219039127. The next prime is 219039137. The reversal of 219039133 is 331930912.

219039133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111978724 + 107060409 = 10582^2 + 10347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-219039133 is a prime.

It is equal to p_12072559 and since 219039133 and 12072559 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 219039095 and 219039104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (219039137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109519566 + 109519567.

It is an arithmetic number, because the mean of its divisors is an integer number (109519567).

Almost surely, 2^219039133 is an apocalyptic number.

It is an amenable number.

219039133 is a deficient number, since it is larger than the sum of its proper divisors (1).

219039133 is an equidigital number, since it uses as much as digits as its factorization.

219039133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 219039133 is about 14799.9707094305. The cubic root of 219039133 is about 602.8009164694.

The spelling of 219039133 in words is "two hundred nineteen million, thirty-nine thousand, one hundred thirty-three".