129895464 has 32 divisors (see below), whose sum is σ = 325321920. Its totient is φ = 43220736.

The previous prime is 129895433. The next prime is 129895483. The reversal of 129895464 is 464598921.

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, 9669 + ... + 18795.

It is an arithmetic number, because the mean of its divisors is an integer number (10166310).

Almost surely, 2^129895464 is an apocalyptic number.

It is an amenable number.

129895464 is an abundant number, since it is smaller than the sum of its proper divisors (195426456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129895464 is a wasteful number, since it uses less digits than its factorization.

129895464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9729 (or 9725 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 129895464 is about 11397.1691221987. The cubic root of 129895464 is about 506.4438813552.

The spelling of 129895464 in words is "one hundred twenty-nine million, eight hundred ninety-five thousand, four hundred sixty-four".