140303420321140 has 48 divisors (see below), whose sum is σ = 297679884706512. Its totient is φ = 55541826072576.

The previous prime is 140303420321117. The next prime is 140303420321167. The reversal of 140303420321140 is 41123024303041.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6834522661264 + 133468897659876 = 2614292^2 + 11552874^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140303420321099 and 140303420321108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115869474 + ... + 117074086.

It is an arithmetic number, because the mean of its divisors is an integer number (6201664264719).

Almost surely, 2^{140303420321140} is an apocalyptic number.

140303420321140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140303420321140 is an abundant number, since it is smaller than the sum of its proper divisors (157376464385372).

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

140303420321140 is a wasteful number, since it uses less digits than its factorization.

140303420321140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264756 (or 1264754 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 140303420321140 its reverse (41123024303041), we get a palindrome (181426444624181).

The spelling of 140303420321140 in words is "one hundred forty trillion, three hundred three billion, four hundred twenty million, three hundred twenty-one thousand, one hundred forty".