158386369 has 2 divisors, whose sum is σ = 158386370. Its totient is φ = 158386368.

The previous prime is 158386363. The next prime is 158386387. The reversal of 158386369 is 963683851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157176369 + 1210000 = 12537^2 + 1100^2 .

It is a cyclic number.

It is not a de Polignac number, because 158386369 - 2¹³ = 158378177 is a prime.

It is a super-2 number, since 2×158386369² = 50172483770008322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (158386363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79193184 + 79193185.

It is an arithmetic number, because the mean of its divisors is an integer number (79193185).

Almost surely, 2^158386369 is an apocalyptic number.

It is an amenable number.

158386369 is a deficient number, since it is larger than the sum of its proper divisors (1).

158386369 is an equidigital number, since it uses as much as digits as its factorization.

158386369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The square root of 158386369 is about 12585.1646393681. The cubic root of 158386369 is about 541.0523249502.

The spelling of 158386369 in words is "one hundred fifty-eight million, three hundred eighty-six thousand, three hundred sixty-nine".