140009085 has 12 divisors (see below), whose sum is σ = 242682492. Its totient is φ = 74671488.

The previous prime is 140009069. The next prime is 140009101. The reversal of 140009085 is 580900041.

It is an interprime number because it is at equal distance from previous prime (140009069) and next prime (140009101).

It can be written as a sum of positive squares in 2 ways, for example, as 67469796 + 72539289 = 8214^2 + 8517^2 .

It is not a de Polignac number, because 140009085 - 2⁴ = 140009069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1555612 + ... + 1555701.

It is an arithmetic number, because the mean of its divisors is an integer number (20223541).

Almost surely, 2^140009085 is an apocalyptic number.

140009085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140009085 is a deficient number, since it is larger than the sum of its proper divisors (102673407).

140009085 is a wasteful number, since it uses less digits than its factorization.

140009085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111324 (or 3111321 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 140009085 is about 11832.5434712914. The cubic root of 140009085 is about 519.2606418014.

The spelling of 140009085 in words is "one hundred forty million, nine thousand, eighty-five".