129485196 has 48 divisors (see below), whose sum is σ = 336537600. Its totient is φ = 43054416.

The previous prime is 129485177. The next prime is 129485221. The reversal of 129485196 is 691584921.

129485196 is a `hidden beast` number, since 129 + 4 + 8 + 519 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50481 + ... + 52983.

It is an arithmetic number, because the mean of its divisors is an integer number (7011200).

Almost surely, 2^129485196 is an apocalyptic number.

It is an amenable number.

129485196 is an abundant number, since it is smaller than the sum of its proper divisors (207052404).

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

129485196 is a wasteful number, since it uses less digits than its factorization.

129485196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995 (or 2987 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 129485196 is about 11379.1562077335. The cubic root of 129485196 is about 505.9101268826.

The spelling of 129485196 in words is "one hundred twenty-nine million, four hundred eighty-five thousand, one hundred ninety-six".