147897129 has 16 divisors (see below), whose sum is σ = 207460800. Its totient is φ = 93581376.

The previous prime is 147897077. The next prime is 147897133. The reversal of 147897129 is 921798741.

It is not a de Polignac number, because 147897129 - 2⁸ = 147896873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147897179) 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 in 15 ways as a sum of consecutive naturals, for example, 9274 + ... + 19539.

It is an arithmetic number, because the mean of its divisors is an integer number (12966300).

Almost surely, 2^147897129 is an apocalyptic number.

It is an amenable number.

147897129 is a deficient number, since it is larger than the sum of its proper divisors (59563671).

147897129 is a wasteful number, since it uses less digits than its factorization.

147897129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28904.

The product of its digits is 254016, while the sum is 48.

The square root of 147897129 is about 12161.2963535965. The cubic root of 147897129 is about 528.8346639965.

The spelling of 147897129 in words is "one hundred forty-seven million, eight hundred ninety-seven thousand, one hundred twenty-nine".