3147285129 has 8 divisors (see below), whose sum is σ = 4196754912. Its totient is φ = 2098002720.

The previous prime is 3147285107. The next prime is 3147285133. The reversal of 3147285129 is 9215827413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3147285129 - 2⁸ = 3147284873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3147281129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1332 + ... + 79349.

It is an arithmetic number, because the mean of its divisors is an integer number (524594364).

Almost surely, 2^3147285129 is an apocalyptic number.

It is an amenable number.

3147285129 is a deficient number, since it is larger than the sum of its proper divisors (1049469783).

3147285129 is a wasteful number, since it uses less digits than its factorization.

3147285129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93687.

The product of its digits is 120960, while the sum is 42.

The square root of 3147285129 is about 56100.6695949344. The cubic root of 3147285129 is about 1465.4759532491.

The spelling of 3147285129 in words is "three billion, one hundred forty-seven million, two hundred eighty-five thousand, one hundred twenty-nine".