140947448 has 8 divisors (see below), whose sum is σ = 264276480. Its totient is φ = 70473720.

The previous prime is 140947423. The next prime is 140947487. The reversal of 140947448 is 844749041.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8809208 + ... + 8809223.

It is an arithmetic number, because the mean of its divisors is an integer number (33034560).

Almost surely, 2^140947448 is an apocalyptic number.

It is an amenable number.

140947448 is a deficient number, since it is larger than the sum of its proper divisors (123329032).

140947448 is a wasteful number, since it uses less digits than its factorization.

140947448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17618437 (or 17618433 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 140947448 is about 11872.1290424254. The cubic root of 140947448 is about 520.4181153932.

The spelling of 140947448 in words is "one hundred forty million, nine hundred forty-seven thousand, four hundred forty-eight".