140730668 has 24 divisors (see below), whose sum is σ = 265705440. Its totient is φ = 64834560.

The previous prime is 140730637. The next prime is 140730671. The reversal of 140730668 is 866037041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30668 + ... + 34956.

It is an arithmetic number, because the mean of its divisors is an integer number (11071060).

Almost surely, 2^140730668 is an apocalyptic number.

It is an amenable number.

140730668 is a deficient number, since it is larger than the sum of its proper divisors (124974772).

140730668 is a wasteful number, since it uses less digits than its factorization.

140730668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4937 (or 4935 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 140730668 is about 11862.9957430659. The cubic root of 140730668 is about 520.1511739953.

The spelling of 140730668 in words is "one hundred forty million, seven hundred thirty thousand, six hundred sixty-eight".