140247441 has 24 divisors (see below), whose sum is σ = 210562560. Its totient is φ = 89856000.

The previous prime is 140247407. The next prime is 140247463. The reversal of 140247441 is 144742041.

It is not a de Polignac number, because 140247441 - 2⁶ = 140247377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140242441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40465 + ... + 43793.

It is an arithmetic number, because the mean of its divisors is an integer number (8773440).

Almost surely, 2^140247441 is an apocalyptic number.

It is an amenable number.

140247441 is a deficient number, since it is larger than the sum of its proper divisors (70315119).

140247441 is a wasteful number, since it uses less digits than its factorization.

140247441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517 (or 3514 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 140247441 is about 11842.6112407695. The cubic root of 140247441 is about 519.5551434519. Note that the first 3 decimals are identical.

Adding to 140247441 its reverse (144742041), we get a palindrome (284989482).

The spelling of 140247441 in words is "one hundred forty million, two hundred forty-seven thousand, four hundred forty-one".