2000138 has 8 divisors (see below), whose sum is σ = 3428832. Its totient is φ = 857196.

The previous prime is 2000113. The next prime is 2000143. The reversal of 2000138 is 8310002.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 142867 = 2000138 / (2 + 0 + 0 + 0 + 1 + 3 + 8).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71420 + ... + 71447.

It is an arithmetic number, because the mean of its divisors is an integer number (428604).

2^2000138 is an apocalyptic number.

2000138 is a deficient number, since it is larger than the sum of its proper divisors (1428694).

2000138 is a wasteful number, since it uses less digits than its factorization.

2000138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142876.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2000138 is about 1414.2623518994. The cubic root of 2000138 is about 125.9950027413.

The spelling of 2000138 in words is "two million, one hundred thirty-eight", and thus it is an aban number.