140289200638 has 8 divisors (see below), whose sum is σ = 210436390440. Its totient is φ = 70143737160.

The previous prime is 140289200581. The next prime is 140289200659. The reversal of 140289200638 is 836002982041.

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

It is a junction number, because it is equal to n+sod(n) for n = 140289200594 and 140289200603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204528 + ... + 567811.

It is an arithmetic number, because the mean of its divisors is an integer number (26304548805).

Almost surely, 2^140289200638 is an apocalyptic number.

140289200638 is a deficient number, since it is larger than the sum of its proper divisors (70147189802).

140289200638 is an equidigital number, since it uses as much as digits as its factorization.

140289200638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863162.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 140289200638 in words is "one hundred forty billion, two hundred eighty-nine million, two hundred thousand, six hundred thirty-eight".