1135850197 has 2 divisors, whose sum is σ = 1135850198. Its totient is φ = 1135850196.

The previous prime is 1135850179. The next prime is 1135850213. The reversal of 1135850197 is 7910585311.

Together with previous prime (1135850179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1125870916 + 9979281 = 33554^2 + 3159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1135850197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135850497) 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, 567925098 + 567925099.

It is an arithmetic number, because the mean of its divisors is an integer number (567925099).

Almost surely, 2^1135850197 is an apocalyptic number.

It is an amenable number.

1135850197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135850197 is an equidigital number, since it uses as much as digits as its factorization.

1135850197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 40.

The square root of 1135850197 is about 33702.3767262785. The cubic root of 1135850197 is about 1043.3748223477.

The spelling of 1135850197 in words is "one billion, one hundred thirty-five million, eight hundred fifty thousand, one hundred ninety-seven".