1338675897 has 16 divisors (see below), whose sum is σ = 2035272960. Its totient is φ = 775341312.

The previous prime is 1338675893. The next prime is 1338675907. The reversal of 1338675897 is 7985768331.

It is not a de Polignac number, because 1338675897 - 2² = 1338675893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1338675893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008897 + ... + 1010222.

It is an arithmetic number, because the mean of its divisors is an integer number (127204560).

Almost surely, 2^1338675897 is an apocalyptic number.

1338675897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1338675897 is a deficient number, since it is larger than the sum of its proper divisors (696597063).

1338675897 is a wasteful number, since it uses less digits than its factorization.

1338675897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019152.

The product of its digits is 7620480, while the sum is 57.

The square root of 1338675897 is about 36587.9200966658. The cubic root of 1338675897 is about 1102.1105202269.

The spelling of 1338675897 in words is "one billion, three hundred thirty-eight million, six hundred seventy-five thousand, eight hundred ninety-seven".