4140285 has 8 divisors (see below), whose sum is σ = 6624480. Its totient is φ = 2208144.

The previous prime is 4140281. The next prime is 4140287. The reversal of 4140285 is 5820414.

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

It is not a de Polignac number, because 4140285 - 2² = 4140281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140281) 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, 137995 + ... + 138024.

It is an arithmetic number, because the mean of its divisors is an integer number (828060).

Almost surely, 2^4140285 is an apocalyptic number.

It is an amenable number.

4140285 is a deficient number, since it is larger than the sum of its proper divisors (2484195).

4140285 is a wasteful number, since it uses less digits than its factorization.

4140285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276027.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 4140285 is about 2034.7690286615. The cubic root of 4140285 is about 160.5745618760.

Adding to 4140285 its reverse (5820414), we get a palindrome (9960699).

The spelling of 4140285 in words is "four million, one hundred forty thousand, two hundred eighty-five".