129143096 has 8 divisors (see below), whose sum is σ = 242143320. Its totient is φ = 64571544.

The previous prime is 129143029. The next prime is 129143099. The reversal of 129143096 is 690341921.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129143099) 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 as a sum of consecutive naturals, namely, 8071436 + ... + 8071451.

It is an arithmetic number, because the mean of its divisors is an integer number (30267915).

Almost surely, 2^129143096 is an apocalyptic number.

It is an amenable number.

129143096 is a deficient number, since it is larger than the sum of its proper divisors (113000224).

129143096 is a wasteful number, since it uses less digits than its factorization.

129143096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16142893 (or 16142889 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 129143096 is about 11364.1143957635. The cubic root of 129143096 is about 505.4641956037.

The spelling of 129143096 in words is "one hundred twenty-nine million, one hundred forty-three thousand, ninety-six".