129486114 has 40 divisors (see below), whose sum is σ = 292846620. Its totient is φ = 42760224.

The previous prime is 129486107. The next prime is 129486187. The reversal of 129486114 is 411684921.

It can be written as a sum of positive squares in 2 ways, for example, as 121550625 + 7935489 = 11025^2 + 2817^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13992 + ... + 21324.

Almost surely, 2^129486114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129486114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146423310).

129486114 is an abundant number, since it is smaller than the sum of its proper divisors (163360506).

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

129486114 is a wasteful number, since it uses less digits than its factorization.

129486114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7456 (or 7447 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 129486114 is about 11379.1965445720. The cubic root of 129486114 is about 505.9113224489.

It can be divided in two parts, 129486 and 114, that added together give a square (129600 = 360²).

The spelling of 129486114 in words is "one hundred twenty-nine million, four hundred eighty-six thousand, one hundred fourteen".