390153065 has 4 divisors (see below), whose sum is σ = 468183684. Its totient is φ = 312122448.

The previous prime is 390153031. The next prime is 390153079. The reversal of 390153065 is 560351093.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 164762896 + 225390169 = 12836^2 + 15013^2 .

It is a cyclic number.

It is not a de Polignac number, because 390153065 - 2⁸ = 390152809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 39015302 + ... + 39015311.

It is an arithmetic number, because the mean of its divisors is an integer number (117045921).

Almost surely, 2^390153065 is an apocalyptic number.

It is an amenable number.

390153065 is a deficient number, since it is larger than the sum of its proper divisors (78030619).

390153065 is an equidigital number, since it uses as much as digits as its factorization.

390153065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78030618.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 390153065 is about 19752.2926517405. The cubic root of 390153065 is about 730.7099273716.

The spelling of 390153065 in words is "three hundred ninety million, one hundred fifty-three thousand, sixty-five".