1182138019 has 2 divisors, whose sum is σ = 1182138020. Its totient is φ = 1182138018.

The previous prime is 1182138007. The next prime is 1182138071. The reversal of 1182138019 is 9108312811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1182138019 - 2¹¹ = 1182135971 is a prime.

It is a super-2 number, since 2×1182138019² = 2794900591930488722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1182138719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591069009 + 591069010.

It is an arithmetic number, because the mean of its divisors is an integer number (591069010).

Almost surely, 2^1182138019 is an apocalyptic number.

1182138019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1182138019 is an equidigital number, since it uses as much as digits as its factorization.

1182138019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 34.

The square root of 1182138019 is about 34382.2340606308. The cubic root of 1182138019 is about 1057.3596380687.

The spelling of 1182138019 in words is "one billion, one hundred eighty-two million, one hundred thirty-eight thousand, nineteen".