140625656 has 16 divisors (see below), whose sum is σ = 263831040. Its totient is φ = 70270720.

The previous prime is 140625599. The next prime is 140625671. The reversal of 140625656 is 656526041.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 12425 + ... + 20871.

It is an arithmetic number, because the mean of its divisors is an integer number (16489440).

Almost surely, 2^140625656 is an apocalyptic number.

It is an amenable number.

140625656 is a deficient number, since it is larger than the sum of its proper divisors (123205384).

140625656 is a wasteful number, since it uses less digits than its factorization.

140625656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10534 (or 10530 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 140625656 is about 11858.5688849878. The cubic root of 140625656 is about 520.0217643750.

The spelling of 140625656 in words is "one hundred forty million, six hundred twenty-five thousand, six hundred fifty-six".