2138146 has 8 divisors (see below), whose sum is σ = 3376080. Its totient is φ = 1012788.

The previous prime is 2138137. The next prime is 2138167. The reversal of 2138146 is 6418312.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2138146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28096 + ... + 28171.

It is an arithmetic number, because the mean of its divisors is an integer number (422010).

2^2138146 is an apocalyptic number.

2138146 is a deficient number, since it is larger than the sum of its proper divisors (1237934).

2138146 is a wasteful number, since it uses less digits than its factorization.

2138146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56288.

The product of its digits is 1152, while the sum is 25.

The square root of 2138146 is about 1462.2400623701. The cubic root of 2138146 is about 128.8286489645.

The spelling of 2138146 in words is "two million, one hundred thirty-eight thousand, one hundred forty-six".