220319137 has 2 divisors, whose sum is σ = 220319138. Its totient is φ = 220319136.

The previous prime is 220319111. The next prime is 220319147. The reversal of 220319137 is 731913022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219010401 + 1308736 = 14799^2 + 1144^2 .

It is a cyclic number.

It is not a de Polignac number, because 220319137 - 2¹⁵ = 220286369 is a prime.

It is not a weakly prime, because it can be changed into another prime (220319147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110159568 + 110159569.

It is an arithmetic number, because the mean of its divisors is an integer number (110159569).

Almost surely, 2^220319137 is an apocalyptic number.

It is an amenable number.

220319137 is a deficient number, since it is larger than the sum of its proper divisors (1).

220319137 is an equidigital number, since it uses as much as digits as its factorization.

220319137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 220319137 is about 14843.1511816056. The cubic root of 220319137 is about 603.9728371408.

The spelling of 220319137 in words is "two hundred twenty million, three hundred nineteen thousand, one hundred thirty-seven".