140605564 has 36 divisors (see below), whose sum is σ = 275280264. Its totient is φ = 62320000.

The previous prime is 140605559. The next prime is 140605573. The reversal of 140605564 is 465506041.

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 11 ways as a sum of consecutive naturals, for example, 73014 + ... + 74914.

It is an arithmetic number, because the mean of its divisors is an integer number (7646674).

Almost surely, 2^140605564 is an apocalyptic number.

It is an amenable number.

140605564 is a deficient number, since it is larger than the sum of its proper divisors (134674700).

140605564 is a wasteful number, since it uses less digits than its factorization.

140605564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998 (or 1955 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 140605564 is about 11857.7217035989. The cubic root of 140605564 is about 519.9969970241.

The spelling of 140605564 in words is "one hundred forty million, six hundred five thousand, five hundred sixty-four".