1338181029 has 12 divisors (see below), whose sum is σ = 1956217536. Its totient is φ = 881371752.

The previous prime is 1338181007. The next prime is 1338181043. The reversal of 1338181029 is 9201818331.

It is not a de Polignac number, because 1338181029 - 2¹⁹ = 1337656741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1338180984 and 1338181002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338181049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 894957 + ... + 896450.

It is an arithmetic number, because the mean of its divisors is an integer number (163018128).

Almost surely, 2^1338181029 is an apocalyptic number.

It is an amenable number.

1338181029 is a deficient number, since it is larger than the sum of its proper divisors (618036507).

1338181029 is a wasteful number, since it uses less digits than its factorization.

1338181029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791496 (or 1791493 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 1338181029 is about 36581.1567477028. The cubic root of 1338181029 is about 1101.9746978445.

The spelling of 1338181029 in words is "one billion, three hundred thirty-eight million, one hundred eighty-one thousand, twenty-nine".