1362138469 has 2 divisors, whose sum is σ = 1362138470. Its totient is φ = 1362138468.

The previous prime is 1362138467. The next prime is 1362138473. The reversal of 1362138469 is 9648312631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1255284900 + 106853569 = 35430^2 + 10337^2 .

It is an emirp because it is prime and its reverse (9648312631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1362138469 - 2¹ = 1362138467 is a prime.

It is a super-2 number, since 2×1362138469² = 3710842417459327922, which contains 22 as substring.

Together with 1362138467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1362138467) 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, 681069234 + 681069235.

It is an arithmetic number, because the mean of its divisors is an integer number (681069235).

Almost surely, 2^1362138469 is an apocalyptic number.

It is an amenable number.

1362138469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1362138469 is an equidigital number, since it uses as much as digits as its factorization.

1362138469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The square root of 1362138469 is about 36907.1601318768. The cubic root of 1362138469 is about 1108.5120525161.

The spelling of 1362138469 in words is "one billion, three hundred sixty-two million, one hundred thirty-eight thousand, four hundred sixty-nine".