129464 has 8 divisors (see below), whose sum is σ = 242760. Its totient is φ = 64728.

The previous prime is 129461. The next prime is 129469. The reversal of 129464 is 464921.

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 (129461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8084 + ... + 8099.

It is an arithmetic number, because the mean of its divisors is an integer number (30345).

2¹²⁹⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

129464 is a deficient number, since it is larger than the sum of its proper divisors (113296).

129464 is a wasteful number, since it uses less digits than its factorization.

129464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16189 (or 16185 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 129464 is about 359.8110615309. The cubic root of 129464 is about 50.5882520493.

The spelling of 129464 in words is "one hundred twenty-nine thousand, four hundred sixty-four".