140660768 has 24 divisors (see below), whose sum is σ = 278793900. Its totient is φ = 69856000.

The previous prime is 140660761. The next prime is 140660813. The reversal of 140660768 is 867066041.

It can be written as a sum of positive squares in 2 ways, for example, as 130599184 + 10061584 = 11428^2 + 3172^2 .

It is not an unprimeable number, because it can be changed into a prime (140660761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9983 + ... + 19518.

Almost surely, 2^140660768 is an apocalyptic number.

It is an amenable number.

140660768 is a deficient number, since it is larger than the sum of its proper divisors (138133132).

140660768 is a wasteful number, since it uses less digits than its factorization.

140660768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29660 (or 29652 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 140660768 is about 11860.0492410445. The cubic root of 140660768 is about 520.0650411740.

The spelling of 140660768 in words is "one hundred forty million, six hundred sixty thousand, seven hundred sixty-eight".