158036009 has 2 divisors, whose sum is σ = 158036010. Its totient is φ = 158036008.

The previous prime is 158036003. The next prime is 158036023. The reversal of 158036009 is 900630851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143328784 + 14707225 = 11972^2 + 3835^2 .

It is an emirp because it is prime and its reverse (900630851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158036009 - 2¹⁶ = 157970473 is a prime.

It is a Chen prime.

It is equal to p_8870522 and since 158036009 and 8870522 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (158036003) 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, 79018004 + 79018005.

It is an arithmetic number, because the mean of its divisors is an integer number (79018005).

Almost surely, 2^158036009 is an apocalyptic number.

It is an amenable number.

158036009 is a deficient number, since it is larger than the sum of its proper divisors (1).

158036009 is an equidigital number, since it uses as much as digits as its factorization.

158036009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 158036009 is about 12571.2373694875. The cubic root of 158036009 is about 540.6530838608.

It can be divided in two parts, 15803 and 6009, that added together give a palindrome (21812).

The spelling of 158036009 in words is "one hundred fifty-eight million, thirty-six thousand, nine".