140515 has 8 divisors (see below), whose sum is σ = 170640. Its totient is φ = 111072.

The previous prime is 140477. The next prime is 140521. The reversal of 140515 is 515041.

It is a happy number.

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 140515 - 2¹⁵ = 107747 is a prime.

It is a plaindrome in base 7 and base 9.

It is a nialpdrome in base 11.

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, 696 + ... + 874.

It is an arithmetic number, because the mean of its divisors is an integer number (21330).

2¹⁴⁰⁵¹⁵ is an apocalyptic number.

140515 is a deficient number, since it is larger than the sum of its proper divisors (30125).

140515 is a wasteful number, since it uses less digits than its factorization.

140515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 140515 is about 374.8533046406. The cubic root of 140515 is about 51.9885329744.

Adding to 140515 its reverse (515041), we get a palindrome (655556).

The spelling of 140515 in words is "one hundred forty thousand, five hundred fifteen".