1338245699 has 16 divisors (see below), whose sum is σ = 1603176960. Its totient is φ = 1093055040.

The previous prime is 1338245669. The next prime is 1338245717. The reversal of 1338245699 is 9965428331.

It is a happy number.

It is not a de Polignac number, because 1338245699 - 2¹² = 1338241603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1338245669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41879 + ... + 66560.

It is an arithmetic number, because the mean of its divisors is an integer number (100198560).

Almost surely, 2^1338245699 is an apocalyptic number.

1338245699 is a deficient number, since it is larger than the sum of its proper divisors (264931261).

1338245699 is a wasteful number, since it uses less digits than its factorization.

1338245699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108530.

The product of its digits is 1399680, while the sum is 50.

The square root of 1338245699 is about 36582.0406620516. The cubic root of 1338245699 is about 1101.9924491936.

The spelling of 1338245699 in words is "one billion, three hundred thirty-eight million, two hundred forty-five thousand, six hundred ninety-nine".