129710680 has 64 divisors (see below), whose sum is σ = 337128480. Its totient is φ = 44390400.

The previous prime is 129710677. The next prime is 129710683. The reversal of 129710680 is 86017921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (129710677) and next prime (129710683).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129710683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1191 + ... + 16150.

Almost surely, 2^129710680 is an apocalyptic number.

129710680 is a gapful number since it is divisible by the number (10) 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 129710680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168564240).

129710680 is an abundant number, since it is smaller than the sum of its proper divisors (207417800).

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

129710680 is a wasteful number, since it uses less digits than its factorization.

129710680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17380 (or 17376 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 129710680 is about 11389.0596626763. The cubic root of 129710680 is about 506.2036185725.

The spelling of 129710680 in words is "one hundred twenty-nine million, seven hundred ten thousand, six hundred eighty".