158029189 has 2 divisors, whose sum is σ = 158029190. Its totient is φ = 158029188.

The previous prime is 158029187. The next prime is 158029237. The reversal of 158029189 is 981920851.

158029189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130644900 + 27384289 = 11430^2 + 5233^2 .

It is a cyclic number.

It is not a de Polignac number, because 158029189 - 2¹ = 158029187 is a prime.

Together with 158029187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158029187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79014594 + 79014595.

It is an arithmetic number, because the mean of its divisors is an integer number (79014595).

Almost surely, 2^158029189 is an apocalyptic number.

It is an amenable number.

158029189 is a deficient number, since it is larger than the sum of its proper divisors (1).

158029189 is an equidigital number, since it uses as much as digits as its factorization.

158029189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 43.

The square root of 158029189 is about 12570.9661124354. The cubic root of 158029189 is about 540.6453065045.

The spelling of 158029189 in words is "one hundred fifty-eight million, twenty-nine thousand, one hundred eighty-nine".