390148163 has 2 divisors, whose sum is σ = 390148164. Its totient is φ = 390148162.

The previous prime is 390148127. The next prime is 390148201. The reversal of 390148163 is 361841093.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 390148163 - 2¹⁴ = 390131779 is a prime.

It is a Sophie Germain prime.

It is equal to p_20838608 and since 390148163 and 20838608 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (390148123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195074081 + 195074082.

It is an arithmetic number, because the mean of its divisors is an integer number (195074082).

Almost surely, 2^390148163 is an apocalyptic number.

390148163 is a deficient number, since it is larger than the sum of its proper divisors (1).

390148163 is an equidigital number, since it uses as much as digits as its factorization.

390148163 is an odious number, because the sum of its binary digits is odd.

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

The square root of 390148163 is about 19752.1685644893. The cubic root of 390148163 is about 730.7068670727.

The spelling of 390148163 in words is "three hundred ninety million, one hundred forty-eight thousand, one hundred sixty-three".