1135236397 has 2 divisors, whose sum is σ = 1135236398. Its totient is φ = 1135236396.

The previous prime is 1135236391. The next prime is 1135236419. The reversal of 1135236397 is 7936325311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 961682121 + 173554276 = 31011^2 + 13174^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135236397 - 2⁷ = 1135236269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135236391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567618198 + 567618199.

It is an arithmetic number, because the mean of its divisors is an integer number (567618199).

Almost surely, 2^1135236397 is an apocalyptic number.

It is an amenable number.

1135236397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135236397 is an equidigital number, since it uses as much as digits as its factorization.

1135236397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 40.

The square root of 1135236397 is about 33693.2693130245. The cubic root of 1135236397 is about 1043.1868460162.

The spelling of 1135236397 in words is "one billion, one hundred thirty-five million, two hundred thirty-six thousand, three hundred ninety-seven".