140633322751 has 6 divisors (see below), whose sum is σ = 148424642952. Its totient is φ = 133231568580.

The previous prime is 140633322721. The next prime is 140633322793. The reversal of 140633322751 is 157223336041.

It is not a de Polignac number, because 140633322751 - 2¹¹ = 140633320703 is a prime.

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 140633322751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140633322721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194782635 + ... + 194783356.

It is an arithmetic number, because the mean of its divisors is an integer number (24737440492).

Almost surely, 2^140633322751 is an apocalyptic number.

140633322751 is a deficient number, since it is larger than the sum of its proper divisors (7791320201).

140633322751 is an equidigital number, since it uses as much as digits as its factorization.

140633322751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389566029 (or 389566010 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

Adding to 140633322751 its reverse (157223336041), we get a palindrome (297856658792).

The spelling of 140633322751 in words is "one hundred forty billion, six hundred thirty-three million, three hundred twenty-two thousand, seven hundred fifty-one".