142326324261613 has 4 divisors (see below), whose sum is σ = 142581847285980. Its totient is φ = 142070801237248.

The previous prime is 142326324261523. The next prime is 142326324261629. The reversal of 142326324261613 is 316162423623241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42830048314089 + 99496275947524 = 6544467^2 + 9974782^2 .

It is a cyclic number.

It is not a de Polignac number, because 142326324261613 - 2²¹ = 142326322164461 is a prime.

It is a super-3 number, since 3×142326324261613³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142326324201613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127761511348 + ... + 127761512461.

It is an arithmetic number, because the mean of its divisors is an integer number (35645461821495).

Almost surely, 2^{142326324261613} is an apocalyptic number.

It is an amenable number.

142326324261613 is a deficient number, since it is larger than the sum of its proper divisors (255523024367).

142326324261613 is an equidigital number, since it uses as much as digits as its factorization.

142326324261613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255523024366.

The product of its digits is 1492992, while the sum is 46.

Adding to 142326324261613 its reverse (316162423623241), we get a palindrome (458488747884854).

The spelling of 142326324261613 in words is "one hundred forty-two trillion, three hundred twenty-six billion, three hundred twenty-four million, two hundred sixty-one thousand, six hundred thirteen".