1358116369 has 2 divisors, whose sum is σ = 1358116370. Its totient is φ = 1358116368.

The previous prime is 1358116363. The next prime is 1358116373. The reversal of 1358116369 is 9636118531.

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., 735114769 + 623001600 = 27113^2 + 24960^2 .

It is a cyclic number.

It is not a de Polignac number, because 1358116369 - 2¹⁹ = 1357592081 is a prime.

It is a super-2 number, since 2×1358116369² = 3688960143491488322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1358116363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 679058184 + 679058185.

It is an arithmetic number, because the mean of its divisors is an integer number (679058185).

Almost surely, 2^1358116369 is an apocalyptic number.

It is an amenable number.

1358116369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1358116369 is an equidigital number, since it uses as much as digits as its factorization.

1358116369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 43.

The square root of 1358116369 is about 36852.6304217216. The cubic root of 1358116369 is about 1107.4199114905.

The spelling of 1358116369 in words is "one billion, three hundred fifty-eight million, one hundred sixteen thousand, three hundred sixty-nine".