1399911119 has 2 divisors, whose sum is σ = 1399911120. Its totient is φ = 1399911118.

The previous prime is 1399911061. The next prime is 1399911131. The reversal of 1399911119 is 9111199931.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9111199931) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1399911119 is a prime.

It is a super-2 number, since 2×1399911119² = 3919502282199664322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1399911119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1399911179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699955559 + 699955560.

It is an arithmetic number, because the mean of its divisors is an integer number (699955560).

Almost surely, 2^1399911119 is an apocalyptic number.

1399911119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1399911119 is an equidigital number, since it uses as much as digits as its factorization.

1399911119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19683, while the sum is 44.

The square root of 1399911119 is about 37415.3861265656. The cubic root of 1399911119 is about 1118.6652677252.

The spelling of 1399911119 in words is "one billion, three hundred ninety-nine million, nine hundred eleven thousand, one hundred nineteen".