3138195 has 8 divisors (see below), whose sum is σ = 5021136. Its totient is φ = 1673696.

The previous prime is 3138193. The next prime is 3138209. The reversal of 3138195 is 5918313.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3138195 - 2¹ = 3138193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3138193) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 104592 + ... + 104621.

It is an arithmetic number, because the mean of its divisors is an integer number (627642).

Almost surely, 2^3138195 is an apocalyptic number.

3138195 is a deficient number, since it is larger than the sum of its proper divisors (1882941).

3138195 is a wasteful number, since it uses less digits than its factorization.

3138195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209221.

The product of its digits is 3240, while the sum is 30.

The square root of 3138195 is about 1771.4951312380. The cubic root of 3138195 is about 146.4063708446.

It can be divided in two parts, 3138 and 195, that added together give a palindrome (3333).

The spelling of 3138195 in words is "three million, one hundred thirty-eight thousand, one hundred ninety-five".