158727129 has 16 divisors (see below), whose sum is σ = 231807744. Its totient is φ = 95810000.

The previous prime is 158727119. The next prime is 158727143. The reversal of 158727129 is 921727851.

It is not a de Polignac number, because 158727129 - 2¹⁷ = 158596057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158727109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1299 + ... + 17864.

It is an arithmetic number, because the mean of its divisors is an integer number (14487984).

Almost surely, 2^158727129 is an apocalyptic number.

It is an amenable number.

158727129 is a deficient number, since it is larger than the sum of its proper divisors (73080615).

158727129 is a wasteful number, since it uses less digits than its factorization.

158727129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19428.

The product of its digits is 70560, while the sum is 42.

The square root of 158727129 is about 12598.6955277124. The cubic root of 158727129 is about 541.4400622897.

The spelling of 158727129 in words is "one hundred fifty-eight million, seven hundred twenty-seven thousand, one hundred twenty-nine".