1338280007 has 2 divisors, whose sum is σ = 1338280008. Its totient is φ = 1338280006.

The previous prime is 1338279983. The next prime is 1338280039. The reversal of 1338280007 is 7000828331.

It is an a-pointer prime, because the next prime (1338280039) can be obtained adding 1338280007 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1338280007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338280607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669140003 + 669140004.

It is an arithmetic number, because the mean of its divisors is an integer number (669140004).

Almost surely, 2^1338280007 is an apocalyptic number.

1338280007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338280007 is an equidigital number, since it uses as much as digits as its factorization.

1338280007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1338280007 is about 36582.5095776657. The cubic root of 1338280007 is about 1102.0018662072.

The spelling of 1338280007 in words is "one billion, three hundred thirty-eight million, two hundred eighty thousand, seven".