1135204789 has 2 divisors, whose sum is σ = 1135204790. Its totient is φ = 1135204788.

The previous prime is 1135204783. The next prime is 1135204831. The reversal of 1135204789 is 9874025311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 980003025 + 155201764 = 31305^2 + 12458^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135204789 - 2⁹ = 1135204277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135204783) 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, 567602394 + 567602395.

It is an arithmetic number, because the mean of its divisors is an integer number (567602395).

Almost surely, 2^1135204789 is an apocalyptic number.

It is an amenable number.

1135204789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135204789 is an equidigital number, since it uses as much as digits as its factorization.

1135204789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1135204789 is about 33692.8002546538. The cubic root of 1135204789 is about 1043.1771642278.

The spelling of 1135204789 in words is "one billion, one hundred thirty-five million, two hundred four thousand, seven hundred eighty-nine".