1330236197 has 2 divisors, whose sum is σ = 1330236198. Its totient is φ = 1330236196.

The previous prime is 1330236143. The next prime is 1330236199. The reversal of 1330236197 is 7916320331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990423841 + 339812356 = 31471^2 + 18434^2 .

It is an emirp because it is prime and its reverse (7916320331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1330236197 - 2³⁰ = 256494373 is a prime.

Together with 1330236199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330236199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665118098 + 665118099.

It is an arithmetic number, because the mean of its divisors is an integer number (665118099).

Almost surely, 2^1330236197 is an apocalyptic number.

It is an amenable number.

1330236197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330236197 is an equidigital number, since it uses as much as digits as its factorization.

1330236197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 1330236197 is about 36472.4032249042. The cubic root of 1330236197 is about 1099.7895456884.

The spelling of 1330236197 in words is "one billion, three hundred thirty million, two hundred thirty-six thousand, one hundred ninety-seven".