140305130125 has 8 divisors (see below), whose sum is σ = 175100802552. Its totient is φ = 112244104000.

The previous prime is 140305130117. The next prime is 140305130137. The reversal of 140305130125 is 521031503041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 247307076 + 140057823049 = 15726^2 + 374243^2 .

It is not a de Polignac number, because 140305130125 - 2³ = 140305130117 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 140305130125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561220396 + ... + 561220645.

It is an arithmetic number, because the mean of its divisors is an integer number (21887600319).

Almost surely, 2^140305130125 is an apocalyptic number.

It is an amenable number.

140305130125 is a deficient number, since it is larger than the sum of its proper divisors (34795672427).

140305130125 is an equidigital number, since it uses as much as digits as its factorization.

140305130125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122441056 (or 1122441046 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 140305130125 its reverse (521031503041), we get a palindrome (661336633166).

The spelling of 140305130125 in words is "one hundred forty billion, three hundred five million, one hundred thirty thousand, one hundred twenty-five".