140075587 has 8 divisors (see below), whose sum is σ = 143061120. Its totient is φ = 137121600.

The previous prime is 140075521. The next prime is 140075623. The reversal of 140075587 is 785570041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140075587 - 2¹⁹ = 139551299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140075387) by changing a digit.

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, 1198 + ... + 16780.

It is an arithmetic number, because the mean of its divisors is an integer number (17882640).

Almost surely, 2^140075587 is an apocalyptic number.

140075587 is a deficient number, since it is larger than the sum of its proper divisors (2985533).

140075587 is a wasteful number, since it uses less digits than its factorization.

140075587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15773.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 140075587 is about 11835.3532689143. The cubic root of 140075587 is about 519.3428421941.

The spelling of 140075587 in words is "one hundred forty million, seventy-five thousand, five hundred eighty-seven".