1135163993 has 2 divisors, whose sum is σ = 1135163994. Its totient is φ = 1135163992.

The previous prime is 1135163971. The next prime is 1135164029. The reversal of 1135163993 is 3993615311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 580231744 + 554932249 = 24088^2 + 23557^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135163993 - 2⁶ = 1135163929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1135163993.

It is not a weakly prime, because it can be changed into another prime (1135163903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567581996 + 567581997.

It is an arithmetic number, because the mean of its divisors is an integer number (567581997).

Almost surely, 2^1135163993 is an apocalyptic number.

It is an amenable number.

1135163993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135163993 is an equidigital number, since it uses as much as digits as its factorization.

1135163993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65610, while the sum is 41.

The square root of 1135163993 is about 33692.1948379740. The cubic root of 1135163993 is about 1043.1646678142.

The spelling of 1135163993 in words is "one billion, one hundred thirty-five million, one hundred sixty-three thousand, nine hundred ninety-three".