1356163357 has 2 divisors, whose sum is σ = 1356163358. Its totient is φ = 1356163356.

The previous prime is 1356163351. The next prime is 1356163373. The reversal of 1356163357 is 7533616531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1274061636 + 82101721 = 35694^2 + 9061^2 .

It is a cyclic number.

It is not a de Polignac number, because 1356163357 - 2²³ = 1347774749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1356163351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678081678 + 678081679.

It is an arithmetic number, because the mean of its divisors is an integer number (678081679).

Almost surely, 2^1356163357 is an apocalyptic number.

It is an amenable number.

1356163357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356163357 is an equidigital number, since it uses as much as digits as its factorization.

1356163357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 40.

The square root of 1356163357 is about 36826.1232958344. The cubic root of 1356163357 is about 1106.8888225057. Note that the first 4 decimals are identical.

Adding to 1356163357 its reverse (7533616531), we get a palindrome (8889779888).

The spelling of 1356163357 in words is "one billion, three hundred fifty-six million, one hundred sixty-three thousand, three hundred fifty-seven".