129140164 has 24 divisors (see below), whose sum is σ = 229156928. Its totient is φ = 63672480.

The previous prime is 129140153. The next prime is 129140197. The reversal of 129140164 is 461041921.

129140164 is nontrivially palindromic in base 3.

It is a Cunningham number, because it is equal to 3¹⁷+1.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 125974 + ... + 126994.

Almost surely, 2^129140164 is an apocalyptic number.

It is an amenable number.

129140164 is a deficient number, since it is larger than the sum of its proper divisors (100016764).

129140164 is a wasteful number, since it uses less digits than its factorization.

129140164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 129140164 is about 11363.9853924581. The cubic root of 129140164 is about 505.4603703063.

The spelling of 129140164 in words is "one hundred twenty-nine million, one hundred forty thousand, one hundred sixty-four".