140303425 has 6 divisors (see below), whose sum is σ = 173976278. Its totient is φ = 112242720.

The previous prime is 140303369. The next prime is 140303437. The reversal of 140303425 is 524303041.

It can be written as a sum of positive squares in 3 ways, for example, as 1252161 + 139051264 = 1119^2 + 11792^2 .

It is not a de Polignac number, because 140303425 - 2⁹ = 140302913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140303396 and 140303405.

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, 2806044 + ... + 2806093.

Almost surely, 2^140303425 is an apocalyptic number.

It is an amenable number.

140303425 is a deficient number, since it is larger than the sum of its proper divisors (33672853).

140303425 is an equidigital number, since it uses as much as digits as its factorization.

140303425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612147 (or 5612142 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 140303425 is about 11844.9746728307. The cubic root of 140303425 is about 519.6242662953.

Adding to 140303425 its reverse (524303041), we get a palindrome (664606466).

The spelling of 140303425 in words is "one hundred forty million, three hundred three thousand, four hundred twenty-five".