158034389 has 2 divisors, whose sum is σ = 158034390. Its totient is φ = 158034388.

The previous prime is 158034353. The next prime is 158034421. The reversal of 158034389 is 983430851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103022500 + 55011889 = 10150^2 + 7417^2 .

It is a cyclic number.

It is not a de Polignac number, because 158034389 - 2⁸ = 158034133 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 (158034319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79017194 + 79017195.

It is an arithmetic number, because the mean of its divisors is an integer number (79017195).

Almost surely, 2^158034389 is an apocalyptic number.

It is an amenable number.

158034389 is a deficient number, since it is larger than the sum of its proper divisors (1).

158034389 is an equidigital number, since it uses as much as digits as its factorization.

158034389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 158034389 is about 12571.1729365243. The cubic root of 158034389 is about 540.6512364738.

The spelling of 158034389 in words is "one hundred fifty-eight million, thirty-four thousand, three hundred eighty-nine".