1135477789 has 2 divisors, whose sum is σ = 1135477790. Its totient is φ = 1135477788.

The previous prime is 1135477769. The next prime is 1135477799. The reversal of 1135477789 is 9877745311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1119437764 + 16040025 = 33458^2 + 4005^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135477789 - 2⁵ = 1135477757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135477769) 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, 567738894 + 567738895.

It is an arithmetic number, because the mean of its divisors is an integer number (567738895).

Almost surely, 2^1135477789 is an apocalyptic number.

It is an amenable number.

1135477789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135477789 is an equidigital number, since it uses as much as digits as its factorization.

1135477789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1481760, while the sum is 52.

The square root of 1135477789 is about 33696.8513217481. The cubic root of 1135477789 is about 1043.2607804300.

The spelling of 1135477789 in words is "one billion, one hundred thirty-five million, four hundred seventy-seven thousand, seven hundred eighty-nine".