140133648 has 20 divisors (see below), whose sum is σ = 362012048. Its totient is φ = 46711200.

The previous prime is 140133599. The next prime is 140133661. The reversal of 140133648 is 846331041.

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, 1459678 + ... + 1459773.

Almost surely, 2^140133648 is an apocalyptic number.

It is an amenable number.

140133648 is an abundant number, since it is smaller than the sum of its proper divisors (221878400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140133648 is a wasteful number, since it uses less digits than its factorization.

140133648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919462 (or 2919456 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 140133648 is about 11837.8058777799. The cubic root of 140133648 is about 519.4145877427.

Adding to 140133648 its reverse (846331041), we get a palindrome (986464689).

The spelling of 140133648 in words is "one hundred forty million, one hundred thirty-three thousand, six hundred forty-eight".