140623925 has 24 divisors (see below), whose sum is σ = 189321216. Its totient is φ = 102997440.

The previous prime is 140623913. The next prime is 140623933. The reversal of 140623925 is 529326041.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-140623925 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140623891 and 140623900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39572 + ... + 42978.

It is an arithmetic number, because the mean of its divisors is an integer number (7888384).

Almost surely, 2^140623925 is an apocalyptic number.

It is an amenable number.

140623925 is a deficient number, since it is larger than the sum of its proper divisors (48697291).

140623925 is a wasteful number, since it uses less digits than its factorization.

140623925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557 (or 3552 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 140623925 is about 11858.4958995650. The cubic root of 140623925 is about 520.0196306692.

Adding to 140623925 its reverse (529326041), we get a palindrome (669949966).

The spelling of 140623925 in words is "one hundred forty million, six hundred twenty-three thousand, nine hundred twenty-five".