140915 has 4 divisors (see below), whose sum is σ = 169104. Its totient is φ = 112728.

The previous prime is 140909. The next prime is 140929. The reversal of 140915 is 519041.

140915 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: 519041 = 23 ⋅22567.

It is a cyclic number.

It is not a de Polignac number, because 140915 - 2⁸ = 140659 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14087 + ... + 14096.

It is an arithmetic number, because the mean of its divisors is an integer number (42276).

2¹⁴⁰⁹¹⁵ is an apocalyptic number.

140915 is a deficient number, since it is larger than the sum of its proper divisors (28189).

140915 is an equidigital number, since it uses as much as digits as its factorization.

140915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28188.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 140915 is about 375.3864675238. The cubic root of 140915 is about 52.0378176576.

Adding to 140915 its reverse (519041), we get a palindrome (659956).

The spelling of 140915 in words is "one hundred forty thousand, nine hundred fifteen".