129508148 has 24 divisors (see below), whose sum is σ = 282563904. Its totient is φ = 50457600.

The previous prime is 129508129. The next prime is 129508207. The reversal of 129508148 is 841805921.

It is a congruent number.

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, 209933 + ... + 210548.

It is an arithmetic number, because the mean of its divisors is an integer number (11773496).

Almost surely, 2^129508148 is an apocalyptic number.

It is an amenable number.

129508148 is an abundant number, since it is smaller than the sum of its proper divisors (153055756).

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

129508148 is a wasteful number, since it uses less digits than its factorization.

129508148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420503 (or 420501 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 129508148 is about 11380.1646736767. The cubic root of 129508148 is about 505.9400169488.

The spelling of 129508148 in words is "one hundred twenty-nine million, five hundred eight thousand, one hundred forty-eight".