129354183339 has 4 divisors (see below), whose sum is σ = 172472244456. Its totient is φ = 86236122224.

The previous prime is 129354183337. The next prime is 129354183391. The reversal of 129354183339 is 933381453921.

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

It is a cyclic number.

It is not a de Polignac number, because 129354183339 - 2¹ = 129354183337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 129354183291 and 129354183300.

It is not an unprimeable number, because it can be changed into a prime (129354183337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21559030554 + ... + 21559030559.

It is an arithmetic number, because the mean of its divisors is an integer number (43118061114).

Almost surely, 2^129354183339 is an apocalyptic number.

129354183339 is a deficient number, since it is larger than the sum of its proper divisors (43118061117).

129354183339 is an equidigital number, since it uses as much as digits as its factorization.

129354183339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43118061116.

The product of its digits is 2099520, while the sum is 51.

The spelling of 129354183339 in words is "one hundred twenty-nine billion, three hundred fifty-four million, one hundred eighty-three thousand, three hundred thirty-nine".