158393069 has 2 divisors, whose sum is σ = 158393070. Its totient is φ = 158393068.

The previous prime is 158393051. The next prime is 158393071. The reversal of 158393069 is 960393851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124322500 + 34070569 = 11150^2 + 5837^2 .

It is an emirp because it is prime and its reverse (960393851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158393069 - 2⁸ = 158392813 is a prime.

It is a super-2 number, since 2×158393069² = 50176728614477522, which contains 22 as substring.

Together with 158393071, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_8889407 and since 158393069 and 8889407 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158393009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79196534 + 79196535.

It is an arithmetic number, because the mean of its divisors is an integer number (79196535).

Almost surely, 2^158393069 is an apocalyptic number.

It is an amenable number.

158393069 is a deficient number, since it is larger than the sum of its proper divisors (1).

158393069 is an equidigital number, since it uses as much as digits as its factorization.

158393069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 158393069 is about 12585.4308229794. The cubic root of 158393069 is about 541.0599539726.

The spelling of 158393069 in words is "one hundred fifty-eight million, three hundred ninety-three thousand, sixty-nine".