380134789 has 2 divisors, whose sum is σ = 380134790. Its totient is φ = 380134788.

The previous prime is 380134759. The next prime is 380134819. The reversal of 380134789 is 987431083.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (380134759) and next prime (380134819).

It can be written as a sum of positive squares in only one way, i.e., 281132289 + 99002500 = 16767^2 + 9950^2 .

It is a cyclic number.

It is not a de Polignac number, because 380134789 - 2²³ = 371746181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380134759) 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, 190067394 + 190067395.

It is an arithmetic number, because the mean of its divisors is an integer number (190067395).

Almost surely, 2^380134789 is an apocalyptic number.

It is an amenable number.

380134789 is a deficient number, since it is larger than the sum of its proper divisors (1).

380134789 is an equidigital number, since it uses as much as digits as its factorization.

380134789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 380134789 is about 19497.0456479950. The cubic root of 380134789 is about 724.4012743795.

The spelling of 380134789 in words is "three hundred eighty million, one hundred thirty-four thousand, seven hundred eighty-nine".