1338452077 has 2 divisors, whose sum is σ = 1338452078. Its totient is φ = 1338452076.

The previous prime is 1338452047. The next prime is 1338452083. The reversal of 1338452077 is 7702548331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1037741796 + 300710281 = 32214^2 + 17341^2 .

It is a cyclic number.

It is not a de Polignac number, because 1338452077 - 2¹⁵ = 1338419309 is a prime.

It is a super-2 number, since 2×1338452077² = 3582907924851227858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338452047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669226038 + 669226039.

It is an arithmetic number, because the mean of its divisors is an integer number (669226039).

Almost surely, 2^1338452077 is an apocalyptic number.

It is an amenable number.

1338452077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338452077 is an equidigital number, since it uses as much as digits as its factorization.

1338452077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 1338452077 is about 36584.8613090169. The cubic root of 1338452077 is about 1102.0490943243.

The spelling of 1338452077 in words is "one billion, three hundred thirty-eight million, four hundred fifty-two thousand, seventy-seven".