1368495133 has 2 divisors, whose sum is σ = 1368495134. Its totient is φ = 1368495132.

The previous prime is 1368495131. The next prime is 1368495137. The reversal of 1368495133 is 3315948631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1174227289 + 194267844 = 34267^2 + 13938^2 .

It is a cyclic number.

It is not a de Polignac number, because 1368495133 - 2¹ = 1368495131 is a prime.

Together with 1368495131, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1368495133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1368495131) 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, 684247566 + 684247567.

It is an arithmetic number, because the mean of its divisors is an integer number (684247567).

Almost surely, 2^1368495133 is an apocalyptic number.

It is an amenable number.

1368495133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368495133 is an equidigital number, since it uses as much as digits as its factorization.

1368495133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 43.

The square root of 1368495133 is about 36993.1768438451. The cubic root of 1368495133 is about 1110.2337340216.

The spelling of 1368495133 in words is "one billion, three hundred sixty-eight million, four hundred ninety-five thousand, one hundred thirty-three".