1338512105 has 8 divisors (see below), whose sum is σ = 1835673792. Its totient is φ = 917836848.

The previous prime is 1338512101. The next prime is 1338512129. The reversal of 1338512105 is 5012158331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1338512105 - 2² = 1338512101 is a prime.

It is a super-2 number, since 2×1338512105² = 3583229310463062050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338512101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19121567 + ... + 19121636.

It is an arithmetic number, because the mean of its divisors is an integer number (229459224).

Almost surely, 2^1338512105 is an apocalyptic number.

It is an amenable number.

1338512105 is a deficient number, since it is larger than the sum of its proper divisors (497161687).

1338512105 is an equidigital number, since it uses as much as digits as its factorization.

1338512105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38243215.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1338512105 is about 36585.6816937993. The cubic root of 1338512105 is about 1102.0655692796.

The spelling of 1338512105 in words is "one billion, three hundred thirty-eight million, five hundred twelve thousand, one hundred five".