327290138 has 32 divisors (see below), whose sum is σ = 590008320. Its totient is φ = 133127280.

The previous prime is 327290111. The next prime is 327290141. The reversal of 327290138 is 831092723.

It is a junction number, because it is equal to n+sod(n) for n = 327290098 and 327290107.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 38303 + ... + 46061.

It is an arithmetic number, because the mean of its divisors is an integer number (18437760).

Almost surely, 2^327290138 is an apocalyptic number.

327290138 is a deficient number, since it is larger than the sum of its proper divisors (262718182).

327290138 is a wasteful number, since it uses less digits than its factorization.

327290138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7922.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 327290138 is about 18091.1618753468. The cubic root of 327290138 is about 689.1455768699.

The spelling of 327290138 in words is "three hundred twenty-seven million, two hundred ninety thousand, one hundred thirty-eight".