301450139 has 2 divisors, whose sum is σ = 301450140. Its totient is φ = 301450138.

The previous prime is 301450133. The next prime is 301450147. The reversal of 301450139 is 931054103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 301450139 - 2¹² = 301446043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (301450133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150725069 + 150725070.

It is an arithmetic number, because the mean of its divisors is an integer number (150725070).

Almost surely, 2^301450139 is an apocalyptic number.

301450139 is a deficient number, since it is larger than the sum of its proper divisors (1).

301450139 is an equidigital number, since it uses as much as digits as its factorization.

301450139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 301450139 is about 17362.3195167005. The cubic root of 301450139 is about 670.5098510224.

The spelling of 301450139 in words is "three hundred one million, four hundred fifty thousand, one hundred thirty-nine".