318065642 has 16 divisors (see below), whose sum is σ = 496260864. Its totient is φ = 152724000.

The previous prime is 318065593. The next prime is 318065647. The reversal of 318065642 is 246560813.

It is not an unprimeable number, because it can be changed into a prime (318065647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11459 + ... + 27702.

It is an arithmetic number, because the mean of its divisors is an integer number (31016304).

Almost surely, 2^318065642 is an apocalyptic number.

318065642 is a deficient number, since it is larger than the sum of its proper divisors (178195222).

318065642 is a wasteful number, since it uses less digits than its factorization.

318065642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39325.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 318065642 is about 17834.3949154436. The cubic root of 318065642 is about 682.6093815842.

The spelling of 318065642 in words is "three hundred eighteen million, sixty-five thousand, six hundred forty-two".