142340613 has 32 divisors (see below), whose sum is σ = 201519360. Its totient is φ = 89241600.

The previous prime is 142340599. The next prime is 142340617. The reversal of 142340613 is 316043241.

142340613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-142340613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142340617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 852256 + ... + 852422.

It is an arithmetic number, because the mean of its divisors is an integer number (6297480).

Almost surely, 2^142340613 is an apocalyptic number.

It is an amenable number.

142340613 is a deficient number, since it is larger than the sum of its proper divisors (59178747).

142340613 is a wasteful number, since it uses less digits than its factorization.

142340613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 142340613 is about 11930.6585316989. The cubic root of 142340613 is about 522.1271508051.

Adding to 142340613 its reverse (316043241), we get a palindrome (458383854).

The spelling of 142340613 in words is "one hundred forty-two million, three hundred forty thousand, six hundred thirteen".