140030425 has 18 divisors (see below), whose sum is σ = 176654058. Its totient is φ = 110090880.

The previous prime is 140030413. The next prime is 140030467. The reversal of 140030425 is 524030041.

It can be written as a sum of positive squares in 9 ways, for example, as 80138304 + 59892121 = 8952^2 + 7739^2 .

It is not a de Polignac number, because 140030425 - 2⁹ = 140029913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 505387 + ... + 505663.

Almost surely, 2^140030425 is an apocalyptic number.

It is an amenable number.

140030425 is a deficient number, since it is larger than the sum of its proper divisors (36623633).

140030425 is an frugal number, since it uses more digits than its factorization.

140030425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 140030425 is about 11833.4451872648. The cubic root of 140030425 is about 519.2870221351.

Adding to 140030425 its reverse (524030041), we get a palindrome (664060466).

The spelling of 140030425 in words is "one hundred forty million, thirty thousand, four hundred twenty-five".