3140242 has 8 divisors (see below), whose sum is σ = 5383296. Its totient is φ = 1345812.

The previous prime is 3140237. The next prime is 3140243. The reversal of 3140242 is 2420413.

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

It is a super-2 number, since 2×3140242² = 19722239637128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3140243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112138 + ... + 112165.

It is an arithmetic number, because the mean of its divisors is an integer number (672912).

Almost surely, 2^3140242 is an apocalyptic number.

3140242 is a deficient number, since it is larger than the sum of its proper divisors (2243054).

3140242 is a wasteful number, since it uses less digits than its factorization.

3140242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224312.

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

The square root of 3140242 is about 1772.0727976017. The cubic root of 3140242 is about 146.4381968574.

Adding to 3140242 its reverse (2420413), we get a palindrome (5560655).

The spelling of 3140242 in words is "three million, one hundred forty thousand, two hundred forty-two".