1328158199 has 2 divisors, whose sum is σ = 1328158200. Its totient is φ = 1328158198.

The previous prime is 1328158193. The next prime is 1328158231. The reversal of 1328158199 is 9918518231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1328158199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1328158193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664079099 + 664079100.

It is an arithmetic number, because the mean of its divisors is an integer number (664079100).

Almost surely, 2^1328158199 is an apocalyptic number.

1328158199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328158199 is an equidigital number, since it uses as much as digits as its factorization.

1328158199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 47.

The square root of 1328158199 is about 36443.9048264590. The cubic root of 1328158199 is about 1099.2165768870.

The spelling of 1328158199 in words is "one billion, three hundred twenty-eight million, one hundred fifty-eight thousand, one hundred ninety-nine".