1338805774 has 16 divisors (see below), whose sum is σ = 2059429680. Its totient is φ = 652397760.

The previous prime is 1338805771. The next prime is 1338805789. The reversal of 1338805774 is 4775088331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338805771) 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, 22762 + ... + 56530.

It is an arithmetic number, because the mean of its divisors is an integer number (128714355).

Almost surely, 2^1338805774 is an apocalyptic number.

1338805774 is a deficient number, since it is larger than the sum of its proper divisors (720623906).

1338805774 is a wasteful number, since it uses less digits than its factorization.

1338805774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34275.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 1338805774 is about 36589.6949153720. The cubic root of 1338805774 is about 1102.1461609620.

The spelling of 1338805774 in words is "one billion, three hundred thirty-eight million, eight hundred five thousand, seven hundred seventy-four".