140241838 has 16 divisors (see below), whose sum is σ = 230079024. Its totient is φ = 63581760.

The previous prime is 140241821. The next prime is 140241851. The reversal of 140241838 is 838142041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706 + ... + 16762.

It is an arithmetic number, because the mean of its divisors is an integer number (14379939).

Almost surely, 2^140241838 is an apocalyptic number.

140241838 is a deficient number, since it is larger than the sum of its proper divisors (89837186).

140241838 is a wasteful number, since it uses less digits than its factorization.

140241838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16467.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 140241838 is about 11842.3746774032. The cubic root of 140241838 is about 519.5482244754.

Adding to 140241838 its reverse (838142041), we get a palindrome (978383879).

The spelling of 140241838 in words is "one hundred forty million, two hundred forty-one thousand, eight hundred thirty-eight".