140745656 has 16 divisors (see below), whose sum is σ = 264148800. Its totient is φ = 70305984.

The previous prime is 140745637. The next prime is 140745659. The reversal of 140745656 is 656547041.

140745656 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140745659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241 + ... + 16823.

It is an arithmetic number, because the mean of its divisors is an integer number (16509300).

Almost surely, 2^140745656 is an apocalyptic number.

It is an amenable number.

140745656 is a deficient number, since it is larger than the sum of its proper divisors (123403144).

140745656 is a wasteful number, since it uses less digits than its factorization.

140745656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16718 (or 16714 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 140745656 is about 11863.6274385198. The cubic root of 140745656 is about 520.1696389330.

The spelling of 140745656 in words is "one hundred forty million, seven hundred forty-five thousand, six hundred fifty-six".