140542648 has 16 divisors (see below), whose sum is σ = 263964960. Its totient is φ = 70152000.

The previous prime is 140542559. The next prime is 140542651. The reversal of 140542648 is 846245041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9808 + ... + 19423.

It is an arithmetic number, because the mean of its divisors is an integer number (16497810).

Almost surely, 2^140542648 is an apocalyptic number.

It is an amenable number.

140542648 is a deficient number, since it is larger than the sum of its proper divisors (123422312).

140542648 is a wasteful number, since it uses less digits than its factorization.

140542648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29838 (or 29834 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 140542648 is about 11855.0684519323. The cubic root of 140542648 is about 519.9194253853.

Adding to 140542648 its reverse (846245041), we get a palindrome (986787689).

The spelling of 140542648 in words is "one hundred forty million, five hundred forty-two thousand, six hundred forty-eight".