1382133979 has 2 divisors, whose sum is σ = 1382133980. Its totient is φ = 1382133978.

The previous prime is 1382133959. The next prime is 1382134007. The reversal of 1382133979 is 9793312831.

It is a weak prime.

It is an emirp because it is prime and its reverse (9793312831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1382133979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1382133959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691066989 + 691066990.

It is an arithmetic number, because the mean of its divisors is an integer number (691066990).

Almost surely, 2^1382133979 is an apocalyptic number.

1382133979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1382133979 is an equidigital number, since it uses as much as digits as its factorization.

1382133979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 46.

The square root of 1382133979 is about 37177.0625386138. The cubic root of 1382133979 is about 1113.9098594586.

The spelling of 1382133979 in words is "one billion, three hundred eighty-two million, one hundred thirty-three thousand, nine hundred seventy-nine".