140015 has 8 divisors (see below), whose sum is σ = 172368. Its totient is φ = 109120.

The previous prime is 140009. The next prime is 140053. The reversal of 140015 is 510041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140015 - 2⁴ = 139999 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 139978 and 140005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137 + ... + 546.

It is an arithmetic number, because the mean of its divisors is an integer number (21546).

2¹⁴⁰⁰¹⁵ is an apocalyptic number.

140015 is a deficient number, since it is larger than the sum of its proper divisors (32353).

140015 is an equidigital number, since it uses as much as digits as its factorization.

140015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 140015 is about 374.1857827337. The cubic root of 140015 is about 51.9267954145.

Adding to 140015 its reverse (510041), we get a palindrome (650056).

The spelling of 140015 in words is "one hundred forty thousand, fifteen".