1382402129 has 2 divisors, whose sum is σ = 1382402130. Its totient is φ = 1382402128.

The previous prime is 1382402081. The next prime is 1382402167. The reversal of 1382402129 is 9212042831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1382352400 + 49729 = 37180^2 + 223^2 .

It is an emirp because it is prime and its reverse (9212042831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1382402129 is a prime.

It is a super-2 number, since 2×1382402129² = 3822071292527465282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1382402095 and 1382402104.

It is not a weakly prime, because it can be changed into another prime (1382402179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691201064 + 691201065.

It is an arithmetic number, because the mean of its divisors is an integer number (691201065).

Almost surely, 2^1382402129 is an apocalyptic number.

It is an amenable number.

1382402129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1382402129 is an equidigital number, since it uses as much as digits as its factorization.

1382402129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1382402129 is about 37180.6687540717. The cubic root of 1382402129 is about 1113.9818919385.

The spelling of 1382402129 in words is "one billion, three hundred eighty-two million, four hundred two thousand, one hundred twenty-nine".