158014729 has 2 divisors, whose sum is σ = 158014730. Its totient is φ = 158014728.

The previous prime is 158014721. The next prime is 158014733. The reversal of 158014729 is 927410851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150724729 + 7290000 = 12277^2 + 2700^2 .

It is a cyclic number.

It is not a de Polignac number, because 158014729 - 2³ = 158014721 is a prime.

It is not a weakly prime, because it can be changed into another prime (158014721) 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, 79007364 + 79007365.

It is an arithmetic number, because the mean of its divisors is an integer number (79007365).

Almost surely, 2^158014729 is an apocalyptic number.

It is an amenable number.

158014729 is a deficient number, since it is larger than the sum of its proper divisors (1).

158014729 is an equidigital number, since it uses as much as digits as its factorization.

158014729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 158014729 is about 12570.3909644848. The cubic root of 158014729 is about 540.6288159442.

The spelling of 158014729 in words is "one hundred fifty-eight million, fourteen thousand, seven hundred twenty-nine".