350305139 has 2 divisors, whose sum is σ = 350305140. Its totient is φ = 350305138.

The previous prime is 350305117. The next prime is 350305171. The reversal of 350305139 is 931503053.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 350305139 - 2²⁰ = 349256563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (350305199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175152569 + 175152570.

It is an arithmetic number, because the mean of its divisors is an integer number (175152570).

Almost surely, 2^350305139 is an apocalyptic number.

350305139 is a deficient number, since it is larger than the sum of its proper divisors (1).

350305139 is an equidigital number, since it uses as much as digits as its factorization.

350305139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6075, while the sum is 29.

The square root of 350305139 is about 18716.4403399792. The cubic root of 350305139 is about 704.9346142602.

The spelling of 350305139 in words is "three hundred fifty million, three hundred five thousand, one hundred thirty-nine".