140087 has 8 divisors (see below), whose sum is σ = 150960. Its totient is φ = 129600.

The previous prime is 140071. The next prime is 140111. The reversal of 140087 is 780041.

It is a happy number.

140087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140087 - 2⁴ = 140071 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140087.

It is not an unprimeable number, because it can be changed into a prime (140057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337 + ... + 1437.

It is an arithmetic number, because the mean of its divisors is an integer number (18870).

2¹⁴⁰⁰⁸⁷ is an apocalyptic number.

140087 is a deficient number, since it is larger than the sum of its proper divisors (10873).

140087 is a wasteful number, since it uses less digits than its factorization.

140087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 140087 is about 374.2819792616. The cubic root of 140087 is about 51.9356946719.

The spelling of 140087 in words is "one hundred forty thousand, eighty-seven".