140613113 has 4 divisors (see below), whose sum is σ = 142918308. Its totient is φ = 138307920.

The previous prime is 140613097. The next prime is 140613119. The reversal of 140613113 is 311316041.

140613113 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: 311316041 = 431 ⋅722311.

It can be written as a sum of positive squares in 2 ways, for example, as 77299264 + 63313849 = 8792^2 + 7957^2 .

It is a cyclic number.

It is not a de Polignac number, because 140613113 - 2⁴ = 140613097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140613119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152506 + ... + 1152627.

It is an arithmetic number, because the mean of its divisors is an integer number (35729577).

Almost surely, 2^140613113 is an apocalyptic number.

It is an amenable number.

140613113 is a deficient number, since it is larger than the sum of its proper divisors (2305195).

140613113 is an equidigital number, since it uses as much as digits as its factorization.

140613113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305194.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 140613113 is about 11858.0400151121. The cubic root of 140613113 is about 520.0063029315.

Adding to 140613113 its reverse (311316041), we get a palindrome (451929154).

The spelling of 140613113 in words is "one hundred forty million, six hundred thirteen thousand, one hundred thirteen".