1338935071 has 4 divisors (see below), whose sum is σ = 1339597000. Its totient is φ = 1338273144.

The previous prime is 1338935069. The next prime is 1338935089. The reversal of 1338935071 is 1705398331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1338935071 - 2¹ = 1338935069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338935471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327921 + ... + 331978.

It is an arithmetic number, because the mean of its divisors is an integer number (334899250).

Almost surely, 2^1338935071 is an apocalyptic number.

1338935071 is a deficient number, since it is larger than the sum of its proper divisors (661929).

1338935071 is an equidigital number, since it uses as much as digits as its factorization.

1338935071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661928.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 1338935071 is about 36591.4617226478. The cubic root of 1338935071 is about 1102.1816402445.

The spelling of 1338935071 in words is "one billion, three hundred thirty-eight million, nine hundred thirty-five thousand, seventy-one".