140448920 has 16 divisors (see below), whose sum is σ = 316010160. Its totient is φ = 56179552.

The previous prime is 140448911. The next prime is 140448923. The reversal of 140448920 is 29844041.

140448920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140448923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1755572 + ... + 1755651.

It is an arithmetic number, because the mean of its divisors is an integer number (19750635).

Almost surely, 2^140448920 is an apocalyptic number.

140448920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140448920 is an abundant number, since it is smaller than the sum of its proper divisors (175561240).

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

140448920 is a wasteful number, since it uses less digits than its factorization.

140448920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511234 (or 3511230 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 140448920 is about 11851.1147155025. The cubic root of 140448920 is about 519.8038214612.

The spelling of 140448920 in words is "one hundred forty million, four hundred forty-eight thousand, nine hundred twenty".