140085599 has 4 divisors (see below), whose sum is σ = 140139840. Its totient is φ = 140031360.

The previous prime is 140085587. The next prime is 140085629. The reversal of 140085599 is 995580041.

It is a happy number.

140085599 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.

It is a cyclic number.

It is not a de Polignac number, because 140085599 - 2¹² = 140081503 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 (140085509) 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, 23042 + ... + 28479.

It is an arithmetic number, because the mean of its divisors is an integer number (35034960).

Almost surely, 2^140085599 is an apocalyptic number.

140085599 is a deficient number, since it is larger than the sum of its proper divisors (54241).

140085599 is an equidigital number, since it uses as much as digits as its factorization.

140085599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54240.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 140085599 is about 11835.7762314096. The cubic root of 140085599 is about 519.3552153629.

The spelling of 140085599 in words is "one hundred forty million, eighty-five thousand, five hundred ninety-nine".