19380107 has 2 divisors, whose sum is σ = 19380108. Its totient is φ = 19380106.

The previous prime is 19380103. The next prime is 19380131. The reversal of 19380107 is 70108391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19380107 - 2² = 19380103 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19380107.

It is not a weakly prime, because it can be changed into another prime (19380103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9690053 + 9690054.

It is an arithmetic number, because the mean of its divisors is an integer number (9690054).

Almost surely, 2^19380107 is an apocalyptic number.

19380107 is a deficient number, since it is larger than the sum of its proper divisors (1).

19380107 is an equidigital number, since it uses as much as digits as its factorization.

19380107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 19380107 is about 4402.2842934095. The cubic root of 19380107 is about 268.6078641233.

Adding to 19380107 its reverse (70108391), we get a palindrome (89488498).

The spelling of 19380107 in words is "nineteen million, three hundred eighty thousand, one hundred seven".