2140939 has 8 divisors (see below), whose sum is σ = 2267280. Its totient is φ = 2016000.

The previous prime is 2140937. The next prime is 2140967. The reversal of 2140939 is 9390412.

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 2140939 - 2¹ = 2140937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5139 + ... + 5539.

It is an arithmetic number, because the mean of its divisors is an integer number (283410).

2^2140939 is an apocalyptic number.

2140939 is a deficient number, since it is larger than the sum of its proper divisors (126341).

2140939 is a wasteful number, since it uses less digits than its factorization.

2140939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2140939 is about 1463.1947922269. The cubic root of 2140939 is about 128.8847196377.

The spelling of 2140939 in words is "two million, one hundred forty thousand, nine hundred thirty-nine".