147832129 has 2 divisors, whose sum is σ = 147832130. Its totient is φ = 147832128.

The previous prime is 147832099. The next prime is 147832189. The reversal of 147832129 is 921238741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121330225 + 26501904 = 11015^2 + 5148^2 .

It is an emirp because it is prime and its reverse (921238741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147832129 - 2⁷ = 147832001 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (147832189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73916064 + 73916065.

It is an arithmetic number, because the mean of its divisors is an integer number (73916065).

Almost surely, 2^147832129 is an apocalyptic number.

It is an amenable number.

147832129 is a deficient number, since it is larger than the sum of its proper divisors (1).

147832129 is an equidigital number, since it uses as much as digits as its factorization.

147832129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 147832129 is about 12158.6236474364. The cubic root of 147832129 is about 528.7571793052.

The spelling of 147832129 in words is "one hundred forty-seven million, eight hundred thirty-two thousand, one hundred twenty-nine".