1135145273 has 2 divisors, whose sum is σ = 1135145274. Its totient is φ = 1135145272.

The previous prime is 1135145257. The next prime is 1135145339. The reversal of 1135145273 is 3725415311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1067198224 + 67947049 = 32668^2 + 8243^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135145273 - 2⁴ = 1135145257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1135145213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567572636 + 567572637.

It is an arithmetic number, because the mean of its divisors is an integer number (567572637).

Almost surely, 2^1135145273 is an apocalyptic number.

It is an amenable number.

1135145273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135145273 is an equidigital number, since it uses as much as digits as its factorization.

1135145273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 32.

The square root of 1135145273 is about 33691.9170276789. The cubic root of 1135145273 is about 1043.1589335033.

The spelling of 1135145273 in words is "one billion, one hundred thirty-five million, one hundred forty-five thousand, two hundred seventy-three".