1338876001 has 4 divisors (see below), whose sum is σ = 1339992004. Its totient is φ = 1337760000.

The previous prime is 1338875971. The next prime is 1338876047. The reversal of 1338876001 is 1006788331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 544989025 + 793886976 = 23345^2 + 28176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1338876001 - 2¹⁹ = 1338351713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338876101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556200 + ... + 558601.

It is an arithmetic number, because the mean of its divisors is an integer number (334998001).

Almost surely, 2^1338876001 is an apocalyptic number.

It is an amenable number.

1338876001 is a deficient number, since it is larger than the sum of its proper divisors (1116003).

1338876001 is a wasteful number, since it uses less digits than its factorization.

1338876001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116002.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1338876001 is about 36590.6545582339. The cubic root of 1338876001 is about 1102.1654316351.

The spelling of 1338876001 in words is "one billion, three hundred thirty-eight million, eight hundred seventy-six thousand, one".