150000391 has 2 divisors, whose sum is σ = 150000392. Its totient is φ = 150000390.

The previous prime is 150000377. The next prime is 150000407. The reversal of 150000391 is 193000051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150000391 - 2⁹ = 149999879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150000091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75000195 + 75000196.

It is an arithmetic number, because the mean of its divisors is an integer number (75000196).

Almost surely, 2^150000391 is an apocalyptic number.

150000391 is a deficient number, since it is larger than the sum of its proper divisors (1).

150000391 is an equidigital number, since it uses as much as digits as its factorization.

150000391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 150000391 is about 12247.4646764136. The cubic root of 150000391 is about 531.3297462570.

The spelling of 150000391 in words is "one hundred fifty million, three hundred ninety-one", and thus it is an aban number.