1000835189 has 2 divisors, whose sum is σ = 1000835190. Its totient is φ = 1000835188.

The previous prime is 1000835177. The next prime is 1000835201. The reversal of 1000835189 is 9815380001.

It is a balanced prime because it is at equal distance from previous prime (1000835177) and next prime (1000835201).

It can be written as a sum of positive squares in only one way, i.e., 723879025 + 276956164 = 26905^2 + 16642^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000835189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000835389) 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, 500417594 + 500417595.

It is an arithmetic number, because the mean of its divisors is an integer number (500417595).

Almost surely, 2^1000835189 is an apocalyptic number.

It is an amenable number.

1000835189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000835189 is an equidigital number, since it uses as much as digits as its factorization.

1000835189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 1000835189 is about 31635.9793431466. The cubic root of 1000835189 is about 1000.2783188648.

The spelling of 1000835189 in words is "one billion, eight hundred thirty-five thousand, one hundred eighty-nine".