140352123431425 has 6 divisors (see below), whose sum is σ = 174036633054998. Its totient is φ = 112281698745120.

The previous prime is 140352123431263. The next prime is 140352123431461. The reversal of 140352123431425 is 524134321253041.

It can be written as a sum of positive squares in 3 ways, for example, as 1431554818576 + 138920568612849 = 1196476^2 + 11786457^2 .

It is not a de Polignac number, because 140352123431425 - 2⁹ = 140352123430913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2807042468604 + ... + 2807042468653.

Almost surely, 2^{140352123431425} is an apocalyptic number.

It is an amenable number.

140352123431425 is a deficient number, since it is larger than the sum of its proper divisors (33684509623573).

140352123431425 is an equidigital number, since it uses as much as digits as its factorization.

140352123431425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614084937267 (or 5614084937262 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 140352123431425 its reverse (524134321253041), we get a palindrome (664486444684466).

The spelling of 140352123431425 in words is "one hundred forty trillion, three hundred fifty-two billion, one hundred twenty-three million, four hundred thirty-one thousand, four hundred twenty-five".