140282587 has 4 divisors (see below), whose sum is σ = 140315296. Its totient is φ = 140249880.

The previous prime is 140282563. The next prime is 140282603. The reversal of 140282587 is 785282041.

140282587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 785282041 = 79 ⋅9940279.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140282587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140282507) 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, 8739 + ... + 18892.

It is an arithmetic number, because the mean of its divisors is an integer number (35078824).

Almost surely, 2^140282587 is an apocalyptic number.

140282587 is a deficient number, since it is larger than the sum of its proper divisors (32709).

140282587 is an equidigital number, since it uses as much as digits as its factorization.

140282587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32708.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 140282587 is about 11844.0950266367. The cubic root of 140282587 is about 519.5985399893.

The spelling of 140282587 in words is "one hundred forty million, two hundred eighty-two thousand, five hundred eighty-seven".