1018199137 has 2 divisors, whose sum is σ = 1018199138. Its totient is φ = 1018199136.

The previous prime is 1018199131. The next prime is 1018199179. The reversal of 1018199137 is 7319918101.

1018199137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 936910881 + 81288256 = 30609^2 + 9016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1018199137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1018199137.

It is not a weakly prime, because it can be changed into another prime (1018199131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509099568 + 509099569.

It is an arithmetic number, because the mean of its divisors is an integer number (509099569).

Almost surely, 2^1018199137 is an apocalyptic number.

It is an amenable number.

1018199137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1018199137 is an equidigital number, since it uses as much as digits as its factorization.

1018199137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 40.

The square root of 1018199137 is about 31909.2327861389. The cubic root of 1018199137 is about 1006.0299456718.

The spelling of 1018199137 in words is "one billion, eighteen million, one hundred ninety-nine thousand, one hundred thirty-seven".