140613 has 8 divisors (see below), whose sum is σ = 204576. Its totient is φ = 85200.

The previous prime is 140611. The next prime is 140617. The reversal of 140613 is 316041.

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

It is not a de Polignac number, because 140613 - 2¹ = 140611 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140592 and 140601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140611) 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 7 ways as a sum of consecutive naturals, for example, 2098 + ... + 2163.

It is an arithmetic number, because the mean of its divisors is an integer number (25572).

2¹⁴⁰⁶¹³ is an apocalyptic number.

It is an amenable number.

140613 is a deficient number, since it is larger than the sum of its proper divisors (63963).

140613 is a wasteful number, since it uses less digits than its factorization.

140613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 140613 is about 374.9839996587. The cubic root of 140613 is about 52.0006163635. Note that the first 3 decimals are identical.

Adding to 140613 its reverse (316041), we get a palindrome (456654).

The spelling of 140613 in words is "one hundred forty thousand, six hundred thirteen".