140025424 has 40 divisors (see below), whose sum is σ = 338246208. Its totient is φ = 54554880.

The previous prime is 140025409. The next prime is 140025469. The reversal of 140025424 is 424520041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 140025395 and 140025404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55597 + ... + 58060.

Almost surely, 2^140025424 is an apocalyptic number.

140025424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140025424 is an abundant number, since it is smaller than the sum of its proper divisors (198220784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140025424 is a wasteful number, since it uses less digits than its factorization.

140025424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113683 (or 113677 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 140025424 is about 11833.2338775163. The cubic root of 140025424 is about 519.2808401803.

Adding to 140025424 its reverse (424520041), we get a palindrome (564545465).

The spelling of 140025424 in words is "one hundred forty million, twenty-five thousand, four hundred twenty-four".