143696339329 has 3 divisors (see below), whose sum is σ = 143696718403. Its totient is φ = 143695960256.

The previous prime is 143696339327. The next prime is 143696339341. The reversal of 143696339329 is 923933696341.

The square root of 143696339329 is 379073.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 129783665025 + 13912674304 = 360255^2 + 117952^2 .

It is not a de Polignac number, because 143696339329 - 2¹ = 143696339327 is a prime.

It is a super-2 number, since 2×143696339329² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143696339327) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 189537 + ... + 568609.

Almost surely, 2^143696339329 is an apocalyptic number.

143696339329 is the 379073-rd square number.

143696339329 is the 189537-th centered octagonal number.

It is an amenable number.

143696339329 is a deficient number, since it is larger than the sum of its proper divisors (379074).

143696339329 is an frugal number, since it uses more digits than its factorization.

143696339329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758146 (or 379073 counting only the distinct ones).

The product of its digits is 17006112, while the sum is 58.

It can be divided in two parts, 143696 and 339329, that added together give a square (483025 = 695²).

The spelling of 143696339329 in words is "one hundred forty-three billion, six hundred ninety-six million, three hundred thirty-nine thousand, three hundred twenty-nine".