158227312129 has 2 divisors, whose sum is σ = 158227312130. Its totient is φ = 158227312128.

The previous prime is 158227312123. The next prime is 158227312141. The reversal of 158227312129 is 921213722851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155727312129 + 2500000000 = 394623^2 + 50000^2 .

It is a cyclic number.

It is not a de Polignac number, because 158227312129 - 2¹⁵ = 158227279361 is a prime.

It is not a weakly prime, because it can be changed into another prime (158227312123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79113656064 + 79113656065.

It is an arithmetic number, because the mean of its divisors is an integer number (79113656065).

Almost surely, 2^158227312129 is an apocalyptic number.

It is an amenable number.

158227312129 is a deficient number, since it is larger than the sum of its proper divisors (1).

158227312129 is an equidigital number, since it uses as much as digits as its factorization.

158227312129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 43.

The spelling of 158227312129 in words is "one hundred fifty-eight billion, two hundred twenty-seven million, three hundred twelve thousand, one hundred twenty-nine".