129162338 has 8 divisors (see below), whose sum is σ = 198979932. Its totient is φ = 62835696.

The previous prime is 129162329. The next prime is 129162349. The reversal of 129162338 is 833261921.

It can be written as a sum of positive squares in 2 ways, for example, as 128074489 + 1087849 = 11317^2 + 1043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 129162298 and 129162307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872645 + ... + 872792.

Almost surely, 2^129162338 is an apocalyptic number.

129162338 is a deficient number, since it is larger than the sum of its proper divisors (69817594).

129162338 is a wasteful number, since it uses less digits than its factorization.

129162338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745476.

The product of its digits is 15552, while the sum is 35.

The square root of 129162338 is about 11364.9609766158. The cubic root of 129162338 is about 505.4892986595.

The spelling of 129162338 in words is "one hundred twenty-nine million, one hundred sixty-two thousand, three hundred thirty-eight".