158919413 has 2 divisors, whose sum is σ = 158919414. Its totient is φ = 158919412.

The previous prime is 158919373. The next prime is 158919419. The reversal of 158919413 is 314919851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115068529 + 43850884 = 10727^2 + 6622^2 .

It is a cyclic number.

It is not a de Polignac number, because 158919413 - 2²⁰ = 157870837 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158919419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79459706 + 79459707.

It is an arithmetic number, because the mean of its divisors is an integer number (79459707).

Almost surely, 2^158919413 is an apocalyptic number.

It is an amenable number.

158919413 is a deficient number, since it is larger than the sum of its proper divisors (1).

158919413 is an equidigital number, since it uses as much as digits as its factorization.

158919413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 41.

The square root of 158919413 is about 12606.3243255122. The cubic root of 158919413 is about 541.6586097842.

The spelling of 158919413 in words is "one hundred fifty-eight million, nine hundred nineteen thousand, four hundred thirteen".