329077138 has 24 divisors (see below), whose sum is σ = 541869588. Its totient is φ = 149789952.

The previous prime is 329077129. The next prime is 329077141. The reversal of 329077138 is 831770923.

It can be written as a sum of positive squares in 6 ways, for example, as 31618129 + 297459009 = 5623^2 + 17247^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 329077138.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18006 + ... + 31342.

Almost surely, 2^329077138 is an apocalyptic number.

329077138 is a deficient number, since it is larger than the sum of its proper divisors (212792450).

329077138 is a wasteful number, since it uses less digits than its factorization.

329077138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13438 (or 13425 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 329077138 is about 18140.4834003948. The cubic root of 329077138 is about 690.3975430885.

The spelling of 329077138 in words is "three hundred twenty-nine million, seventy-seven thousand, one hundred thirty-eight".