1338574865 has 8 divisors (see below), whose sum is σ = 1617846720. Its totient is φ = 1063155312.

The previous prime is 1338574859. The next prime is 1338574873. The reversal of 1338574865 is 5684758331.

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

It is a cyclic number.

It is not a de Polignac number, because 1338574865 - 2⁶ = 1338574801 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 962309 + ... + 963698.

It is an arithmetic number, because the mean of its divisors is an integer number (202230840).

Almost surely, 2^1338574865 is an apocalyptic number.

It is an amenable number.

1338574865 is a deficient number, since it is larger than the sum of its proper divisors (279271855).

1338574865 is a wasteful number, since it uses less digits than its factorization.

1338574865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926151.

The product of its digits is 2419200, while the sum is 50.

The square root of 1338574865 is about 36586.5393963408. The cubic root of 1338574865 is about 1102.0827935178.

The spelling of 1338574865 in words is "one billion, three hundred thirty-eight million, five hundred seventy-four thousand, eight hundred sixty-five".