301315139 has 2 divisors, whose sum is σ = 301315140. Its totient is φ = 301315138.

The previous prime is 301315127. The next prime is 301315153. The reversal of 301315139 is 931513103.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-301315139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (301315169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150657569 + 150657570.

It is an arithmetic number, because the mean of its divisors is an integer number (150657570).

Almost surely, 2^301315139 is an apocalyptic number.

301315139 is a deficient number, since it is larger than the sum of its proper divisors (1).

301315139 is an equidigital number, since it uses as much as digits as its factorization.

301315139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215, while the sum is 26.

The square root of 301315139 is about 17358.4313519396. The cubic root of 301315139 is about 670.4097434269.

The spelling of 301315139 in words is "three hundred one million, three hundred fifteen thousand, one hundred thirty-nine".