2140254 has 12 divisors (see below), whose sum is σ = 4637256. Its totient is φ = 713412.

The previous prime is 2140253. The next prime is 2140267. The reversal of 2140254 is 4520412.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 118903 = 2140254 / (2 + 1 + 4 + 0 + 2 + 5 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59434 + ... + 59469.

It is an arithmetic number, because the mean of its divisors is an integer number (386438).

2^2140254 is an apocalyptic number.

2140254 is an abundant number, since it is smaller than the sum of its proper divisors (2497002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2140254 is a wasteful number, since it uses less digits than its factorization.

2140254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118911 (or 118908 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2140254 is about 1462.9606966696. The cubic root of 2140254 is about 128.8709724843.

Adding to 2140254 its reverse (4520412), we get a palindrome (6660666).

The spelling of 2140254 in words is "two million, one hundred forty thousand, two hundred fifty-four".