140030663 has 4 divisors (see below), whose sum is σ = 141390288. Its totient is φ = 138671040.

The previous prime is 140030609. The next prime is 140030677. The reversal of 140030663 is 366030041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140030663 - 2⁶ = 140030599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140030063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679658 + ... + 679863.

It is an arithmetic number, because the mean of its divisors is an integer number (35347572).

Almost surely, 2^140030663 is an apocalyptic number.

140030663 is a deficient number, since it is larger than the sum of its proper divisors (1359625).

140030663 is a wasteful number, since it uses less digits than its factorization.

140030663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359624.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 140030663 is about 11833.4552435035. The cubic root of 140030663 is about 519.2873163337.

The spelling of 140030663 in words is "one hundred forty million, thirty thousand, six hundred sixty-three".