140424663 has 8 divisors (see below), whose sum is σ = 188382208. Its totient is φ = 93041784.

The previous prime is 140424617. The next prime is 140424671. The reversal of 140424663 is 366424041.

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

It is a de Polignac number, because none of the positive numbers 2^k-140424663 is a prime.

It is a super-4 number, since 4×140424663⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140424663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140423663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143095 + ... + 144072.

It is an arithmetic number, because the mean of its divisors is an integer number (23547776).

Almost surely, 2^140424663 is an apocalyptic number.

140424663 is a deficient number, since it is larger than the sum of its proper divisors (47957545).

140424663 is a wasteful number, since it uses less digits than its factorization.

140424663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287333.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 140424663 is about 11850.0912654713. The cubic root of 140424663 is about 519.7738945496.

The spelling of 140424663 in words is "one hundred forty million, four hundred twenty-four thousand, six hundred sixty-three".