1384117139 has 2 divisors, whose sum is σ = 1384117140. Its totient is φ = 1384117138.

The previous prime is 1384117129. The next prime is 1384117151. The reversal of 1384117139 is 9317114831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1384117139 - 2⁴ = 1384117123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1384117129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692058569 + 692058570.

It is an arithmetic number, because the mean of its divisors is an integer number (692058570).

Almost surely, 2^1384117139 is an apocalyptic number.

1384117139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1384117139 is an equidigital number, since it uses as much as digits as its factorization.

1384117139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 38.

The square root of 1384117139 is about 37203.7248000788. The cubic root of 1384117139 is about 1114.4423707278.

The spelling of 1384117139 in words is "one billion, three hundred eighty-four million, one hundred seventeen thousand, one hundred thirty-nine".