2140234 has 8 divisors (see below), whose sum is σ = 3225060. Its totient is φ = 1065216.

The previous prime is 2140231. The next prime is 2140253. The reversal of 2140234 is 4320412.

It can be written as a sum of positive squares in 2 ways, for example, as 1555009 + 585225 = 1247^2 + 765^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2140231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1879 + ... + 2794.

2^2140234 is an apocalyptic number.

2140234 is a deficient number, since it is larger than the sum of its proper divisors (1084826).

2140234 is a wasteful number, since it uses less digits than its factorization.

2140234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4904.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2140234 is about 1462.9538612000. The cubic root of 2140234 is about 128.8705710635.

Adding to 2140234 its reverse (4320412), we get a palindrome (6460646).

The spelling of 2140234 in words is "two million, one hundred forty thousand, two hundred thirty-four".