1330141997 has 2 divisors, whose sum is σ = 1330141998. Its totient is φ = 1330141996.

The previous prime is 1330141963. The next prime is 1330142041. The reversal of 1330141997 is 7991410331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1207840516 + 122301481 = 34754^2 + 11059^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330141997 - 2⁸ = 1330141741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1330141997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330141097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665070998 + 665070999.

It is an arithmetic number, because the mean of its divisors is an integer number (665070999).

Almost surely, 2^1330141997 is an apocalyptic number.

It is an amenable number.

1330141997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330141997 is an equidigital number, since it uses as much as digits as its factorization.

1330141997 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 38.

The square root of 1330141997 is about 36471.1118146952. Note that the first 3 decimals coincide. The cubic root of 1330141997 is about 1099.7635847298.

The spelling of 1330141997 in words is "one billion, three hundred thirty million, one hundred forty-one thousand, nine hundred ninety-seven".