129419682 has 24 divisors (see below), whose sum is σ = 301099536. Its totient is φ = 36976968.

The previous prime is 129419681. The next prime is 129419713. The reversal of 129419682 is 286914921.

It is a super-2 number, since 2×129419682² = 33498908177962248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (129419681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219808 + ... + 220395.

It is an arithmetic number, because the mean of its divisors is an integer number (12545814).

Almost surely, 2^129419682 is an apocalyptic number.

129419682 is an abundant number, since it is smaller than the sum of its proper divisors (171679854).

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

129419682 is a wasteful number, since it uses less digits than its factorization.

129419682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440222 (or 440215 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 129419682 is about 11376.2771590710. The cubic root of 129419682 is about 505.8247894889.

The spelling of 129419682 in words is "one hundred twenty-nine million, four hundred nineteen thousand, six hundred eighty-two".