129462164 has 24 divisors (see below), whose sum is σ = 249664800. Its totient is φ = 58361184.

The previous prime is 129462127. The next prime is 129462167. The reversal of 129462164 is 461264921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129462167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26714 + ... + 31185.

It is an arithmetic number, because the mean of its divisors is an integer number (10402700).

Almost surely, 2^129462164 is an apocalyptic number.

It is an amenable number.

129462164 is a deficient number, since it is larger than the sum of its proper divisors (120202636).

129462164 is a wasteful number, since it uses less digits than its factorization.

129462164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57959 (or 57957 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 129462164 is about 11378.1441368968. The cubic root of 129462164 is about 505.8801290828.

The spelling of 129462164 in words is "one hundred twenty-nine million, four hundred sixty-two thousand, one hundred sixty-four".