1356838199 has 2 divisors, whose sum is σ = 1356838200. Its totient is φ = 1356838198.

The previous prime is 1356838183. The next prime is 1356838291. The reversal of 1356838199 is 9918386531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1356838199 - 2⁴ = 1356838183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1356838199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1356838129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678419099 + 678419100.

It is an arithmetic number, because the mean of its divisors is an integer number (678419100).

Almost surely, 2^1356838199 is an apocalyptic number.

1356838199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356838199 is an equidigital number, since it uses as much as digits as its factorization.

1356838199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 53.

The square root of 1356838199 is about 36835.2847009494. The cubic root of 1356838199 is about 1107.0723921315.

The spelling of 1356838199 in words is "one billion, three hundred fifty-six million, eight hundred thirty-eight thousand, one hundred ninety-nine".