129842310 has 48 divisors (see below), whose sum is σ = 336175056. Its totient is φ = 31905792.

The previous prime is 129842299. The next prime is 129842329. The reversal of 129842310 is 13248921.

It is a super-2 number, since 2×129842310² = 33718050932272200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224742 + ... + 225318.

It is an arithmetic number, because the mean of its divisors is an integer number (7003647).

Almost surely, 2^129842310 is an apocalyptic number.

129842310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 129842310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168087528).

129842310 is an abundant number, since it is smaller than the sum of its proper divisors (206332746).

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

129842310 is an equidigital number, since it uses as much as digits as its factorization.

129842310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 129842310 is about 11394.8369887419. The cubic root of 129842310 is about 506.3747919764.

The spelling of 129842310 in words is "one hundred twenty-nine million, eight hundred forty-two thousand, three hundred ten".