140635322320 has 20 divisors (see below), whose sum is σ = 326977124580. Its totient is φ = 56254128896.

The previous prime is 140635322237. The next prime is 140635322341. The reversal of 140635322320 is 23223536041.

It can be written as a sum of positive squares in 2 ways, for example, as 15797473344 + 124837848976 = 125688^2 + 353324^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-4 number, since 4×140635322320⁴ (a number of 46 digits) contains 4444 as substring.

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, 878970685 + ... + 878970844.

It is an arithmetic number, because the mean of its divisors is an integer number (16348856229).

Almost surely, 2^140635322320 is an apocalyptic number.

140635322320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140635322320 is an abundant number, since it is smaller than the sum of its proper divisors (186341802260).

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

140635322320 is a wasteful number, since it uses less digits than its factorization.

140635322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757941542 (or 1757941536 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 140635322320 its reverse (23223536041), we get a palindrome (163858858361).

The spelling of 140635322320 in words is "one hundred forty billion, six hundred thirty-five million, three hundred twenty-two thousand, three hundred twenty".