140391769728 has 256 divisors, whose sum is σ = 450976435200. Its totient is φ = 37801230336.

The previous prime is 140391769717. The next prime is 140391769733. The reversal of 140391769728 is 827967193041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9849775 + ... + 9864017.

It is an arithmetic number, because the mean of its divisors is an integer number (1761626700).

Almost surely, 2^140391769728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140391769728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225488217600).

140391769728 is an abundant number, since it is smaller than the sum of its proper divisors (310584665472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140391769728 is a wasteful number, since it uses less digits than its factorization.

140391769728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14479 (or 14467 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 140391769728 in words is "one hundred forty billion, three hundred ninety-one million, seven hundred sixty-nine thousand, seven hundred twenty-eight".