140549648 has 20 divisors (see below), whose sum is σ = 272503020. Its totient is φ = 70226304.

The previous prime is 140549641. The next prime is 140549653. The reversal of 140549648 is 846945041.

It can be written as a sum of positive squares in 2 ways, for example, as 72454144 + 68095504 = 8512^2 + 8252^2 .

It is not an unprimeable number, because it can be changed into a prime (140549641) 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, 36386 + ... + 40062.

It is an arithmetic number, because the mean of its divisors is an integer number (13625151).

Almost surely, 2^140549648 is an apocalyptic number.

It is an amenable number.

140549648 is a deficient number, since it is larger than the sum of its proper divisors (131953372).

140549648 is a wasteful number, since it uses less digits than its factorization.

140549648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6074 (or 6068 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 140549648 is about 11855.3636806300. The cubic root of 140549648 is about 519.9280571082.

The spelling of 140549648 in words is "one hundred forty million, five hundred forty-nine thousand, six hundred forty-eight".