129710016 has 84 divisors (see below), whose sum is σ = 380509272. Its totient is φ = 42223104.

The previous prime is 129710003. The next prime is 129710029. The reversal of 129710016 is 610017921.

It is an interprime number because it is at equal distance from previous prime (129710003) and next prime (129710029).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22150 + ... + 27386.

Almost surely, 2^129710016 is an apocalyptic number.

129710016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129710016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190254636).

129710016 is an abundant number, since it is smaller than the sum of its proper divisors (250799256).

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

129710016 is a wasteful number, since it uses less digits than its factorization.

129710016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5298 (or 5285 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 129710016 is about 11389.0305118566. The cubic root of 129710016 is about 506.2027548046.

Adding to 129710016 its reverse (610017921), we get a palindrome (739727937).

The spelling of 129710016 in words is "one hundred twenty-nine million, seven hundred ten thousand, sixteen".