129514286 has 20 divisors (see below), whose sum is σ = 213745560. Its totient is φ = 58856820.

The previous prime is 129514277. The next prime is 129514289. The reversal of 129514286 is 682415921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129514289) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 27071 + ... + 31493.

It is an arithmetic number, because the mean of its divisors is an integer number (10687278).

Almost surely, 2^129514286 is an apocalyptic number.

129514286 is a deficient number, since it is larger than the sum of its proper divisors (84231274).

129514286 is an frugal number, since it uses more digits than its factorization.

129514286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469 (or 4436 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 129514286 is about 11380.4343502346. The cubic root of 129514286 is about 505.9480097812.

It can be divided in two parts, 129 and 514286, that added together give a palindrome (514415).

The spelling of 129514286 in words is "one hundred twenty-nine million, five hundred fourteen thousand, two hundred eighty-six".