383008139 has 2 divisors, whose sum is σ = 383008140. Its totient is φ = 383008138.

The previous prime is 383008111. The next prime is 383008187. The reversal of 383008139 is 931800383.

It is a weak prime.

It is an emirp because it is prime and its reverse (931800383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 383008139 - 2¹² = 383004043 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 383008099 and 383008108.

It is not a weakly prime, because it can be changed into another prime (383008039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191504069 + 191504070.

It is an arithmetic number, because the mean of its divisors is an integer number (191504070).

Almost surely, 2^383008139 is an apocalyptic number.

383008139 is a deficient number, since it is larger than the sum of its proper divisors (1).

383008139 is an equidigital number, since it uses as much as digits as its factorization.

383008139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 383008139 is about 19570.5937314124. The cubic root of 383008139 is about 726.2218881506.

The spelling of 383008139 in words is "three hundred eighty-three million, eight thousand, one hundred thirty-nine".