140513 has 4 divisors (see below), whose sum is σ = 141360. Its totient is φ = 139668.

The previous prime is 140477. The next prime is 140521. The reversal of 140513 is 315041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 315041 = 47 ⋅6703.

It is a cyclic number.

It is not a de Polignac number, because 140513 - 2⁶ = 140449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83 + ... + 536.

It is an arithmetic number, because the mean of its divisors is an integer number (35340).

2¹⁴⁰⁵¹³ is an apocalyptic number.

It is an amenable number.

140513 is a deficient number, since it is larger than the sum of its proper divisors (847).

140513 is an equidigital number, since it uses as much as digits as its factorization.

140513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 140513 is about 374.8506369209. The cubic root of 140513 is about 51.9882863162.

Adding to 140513 its reverse (315041), we get a palindrome (455554).

The spelling of 140513 in words is "one hundred forty thousand, five hundred thirteen".