140584087 has 6 divisors (see below), whose sum is σ = 163536648. Its totient is φ = 120500604.

The previous prime is 140584013. The next prime is 140584099. The reversal of 140584087 is 780485041.

It is not a de Polignac number, because 140584087 - 2⁷ = 140583959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140584007) 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 5 ways as a sum of consecutive naturals, for example, 1434483 + ... + 1434580.

It is an arithmetic number, because the mean of its divisors is an integer number (27256108).

Almost surely, 2^140584087 is an apocalyptic number.

140584087 is a deficient number, since it is larger than the sum of its proper divisors (22952561).

140584087 is an equidigital number, since it uses as much as digits as its factorization.

140584087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869077 (or 2869070 counting only the distinct ones).

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

The square root of 140584087 is about 11856.8160565980. The cubic root of 140584087 is about 519.9705197784.

It can be divided in two parts, 14058 and 4087, that added together give a triangular number (18145 = T₁₉₀).

The spelling of 140584087 in words is "one hundred forty million, five hundred eighty-four thousand, eighty-seven".