147038189 has 2 divisors, whose sum is σ = 147038190. Its totient is φ = 147038188.

The previous prime is 147038173. The next prime is 147038191. The reversal of 147038189 is 981830741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116424100 + 30614089 = 10790^2 + 5533^2 .

It is a cyclic number.

It is not a de Polignac number, because 147038189 - 2⁴ = 147038173 is a prime.

It is a Sophie Germain prime.

Together with 147038191, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147038159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73519094 + 73519095.

It is an arithmetic number, because the mean of its divisors is an integer number (73519095).

Almost surely, 2^147038189 is an apocalyptic number.

It is an amenable number.

147038189 is a deficient number, since it is larger than the sum of its proper divisors (1).

147038189 is an equidigital number, since it uses as much as digits as its factorization.

147038189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 147038189 is about 12125.9304385272. The cubic root of 147038189 is about 527.8089072124.

The spelling of 147038189 in words is "one hundred forty-seven million, thirty-eight thousand, one hundred eighty-nine".