140644541630 has 8 divisors (see below), whose sum is σ = 253160174952. Its totient is φ = 56257816648.

The previous prime is 140644541629. The next prime is 140644541647. The reversal of 140644541630 is 36145446041.

140644541630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7032227072 + ... + 7032227091.

It is an arithmetic number, because the mean of its divisors is an integer number (31645021869).

Almost surely, 2^140644541630 is an apocalyptic number.

140644541630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140644541630 is a deficient number, since it is larger than the sum of its proper divisors (112515633322).

140644541630 is a wasteful number, since it uses less digits than its factorization.

140644541630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14064454170.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 140644541630 its reverse (36145446041), we get a palindrome (176789987671).

The spelling of 140644541630 in words is "one hundred forty billion, six hundred forty-four million, five hundred forty-one thousand, six hundred thirty".