3185138 has 8 divisors (see below), whose sum is σ = 5212080. Its totient is φ = 1447780.

The previous prime is 3185123. The next prime is 3185177. The reversal of 3185138 is 8315813.

3185138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3185138.

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 3 ways as a sum of consecutive naturals, for example, 72368 + ... + 72411.

It is an arithmetic number, because the mean of its divisors is an integer number (651510).

Almost surely, 2^3185138 is an apocalyptic number.

3185138 is a deficient number, since it is larger than the sum of its proper divisors (2026942).

3185138 is a wasteful number, since it uses less digits than its factorization.

3185138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144792.

The product of its digits is 2880, while the sum is 29.

The square root of 3185138 is about 1784.6954922339. The cubic root of 3185138 is about 147.1327722015.

The spelling of 3185138 in words is "three million, one hundred eighty-five thousand, one hundred thirty-eight".