1138717417 has 2 divisors, whose sum is σ = 1138717418. Its totient is φ = 1138717416.

The previous prime is 1138717387. The next prime is 1138717423. The reversal of 1138717417 is 7147178311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1030474201 + 108243216 = 32101^2 + 10404^2 .

It is a cyclic number.

It is not a de Polignac number, because 1138717417 - 2⁷ = 1138717289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1138717417.

It is not a weakly prime, because it can be changed into another prime (1138717487) 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, 569358708 + 569358709.

It is an arithmetic number, because the mean of its divisors is an integer number (569358709).

Almost surely, 2^1138717417 is an apocalyptic number.

It is an amenable number.

1138717417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138717417 is an equidigital number, since it uses as much as digits as its factorization.

1138717417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32928, while the sum is 40.

The square root of 1138717417 is about 33744.8872720002. The cubic root of 1138717417 is about 1044.2520129833.

The spelling of 1138717417 in words is "one billion, one hundred thirty-eight million, seven hundred seventeen thousand, four hundred seventeen".