140663307 has 8 divisors (see below), whose sum is σ = 192620176. Its totient is φ = 91240992.

The previous prime is 140663293. The next prime is 140663309. The reversal of 140663307 is 703366041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140663307 - 2⁴ = 140663291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140663309) by changing a digit.

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, 633508 + ... + 633729.

It is an arithmetic number, because the mean of its divisors is an integer number (24077522).

Almost surely, 2^140663307 is an apocalyptic number.

140663307 is a deficient number, since it is larger than the sum of its proper divisors (51956869).

140663307 is a wasteful number, since it uses less digits than its factorization.

140663307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267277.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 140663307 is about 11860.1562805892. The cubic root of 140663307 is about 520.0681703033.

The spelling of 140663307 in words is "one hundred forty million, six hundred sixty-three thousand, three hundred seven".