140304125 has 16 divisors (see below), whose sum is σ = 188570928. Its totient is φ = 103608000.

The previous prime is 140304121. The next prime is 140304127. The reversal of 140304125 is 521403041.

It can be written as a sum of positive squares in 8 ways, for example, as 89908324 + 50395801 = 9482^2 + 7099^2 .

It is not a de Polignac number, because 140304125 - 2² = 140304121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140304097 and 140304106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140304121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41546 + ... + 44795.

It is an arithmetic number, because the mean of its divisors is an integer number (11785683).

Almost surely, 2^140304125 is an apocalyptic number.

It is an amenable number.

140304125 is a deficient number, since it is larger than the sum of its proper divisors (48266803).

140304125 is an equidigital number, since it uses as much as digits as its factorization.

140304125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86369 (or 86359 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 140304125 is about 11845.0042211896. The cubic root of 140304125 is about 519.6251304614.

Adding to 140304125 its reverse (521403041), we get a palindrome (661707166).

The spelling of 140304125 in words is "one hundred forty million, three hundred four thousand, one hundred twenty-five".