1338648235 has 8 divisors (see below), whose sum is σ = 1618104096. Its totient is φ = 1063101120.

The previous prime is 1338648191. The next prime is 1338648239. The reversal of 1338648235 is 5328468331.

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

It is a de Polignac number, because none of the positive numbers 2^k-1338648235 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1338648191 and 1338648200.

It is not an unprimeable number, because it can be changed into a prime (1338648239) 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 7 ways as a sum of consecutive naturals, for example, 976431 + ... + 977800.

It is an arithmetic number, because the mean of its divisors is an integer number (202263012).

Almost surely, 2^1338648235 is an apocalyptic number.

1338648235 is a deficient number, since it is larger than the sum of its proper divisors (279455861).

1338648235 is a wasteful number, since it uses less digits than its factorization.

1338648235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954373.

The product of its digits is 414720, while the sum is 43.

The square root of 1338648235 is about 36587.5420737715. The cubic root of 1338648235 is about 1102.1029289467.

The spelling of 1338648235 in words is "one billion, three hundred thirty-eight million, six hundred forty-eight thousand, two hundred thirty-five".