140351304442025 has 24 divisors (see below), whose sum is σ = 184335410388024. Its totient is φ = 105640489267200.

The previous prime is 140351304442007. The next prime is 140351304442051. The reversal of 140351304442025 is 520244403153041.

It can be written as a sum of positive squares in 12 ways, for example, as 574903634176 + 139776400807849 = 758224^2 + 11822707^2 .

It is not a de Polignac number, because 140351304442025 - 2¹⁶ = 140351304376489 is a prime.

It is a super-2 number, since 2×140351304442025² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140351304442025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54660716 + ... + 57170765.

It is an arithmetic number, because the mean of its divisors is an integer number (7680642099501).

Almost surely, 2^{140351304442025} is an apocalyptic number.

It is an amenable number.

140351304442025 is a deficient number, since it is larger than the sum of its proper divisors (43984105945999).

140351304442025 is a wasteful number, since it uses less digits than its factorization.

140351304442025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111834461 (or 111834456 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 140351304442025 its reverse (520244403153041), we get a palindrome (660595707595066).

The spelling of 140351304442025 in words is "one hundred forty trillion, three hundred fifty-one billion, three hundred four million, four hundred forty-two thousand, twenty-five".