129946310 has 32 divisors (see below), whose sum is σ = 255104640. Its totient is φ = 47369088.

The previous prime is 129946291. The next prime is 129946381. The reversal of 129946310 is 13649921.

It is a super-2 number, since 2×129946310² = 33772086965232200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3944 + ... + 16596.

It is an arithmetic number, because the mean of its divisors is an integer number (7972020).

Almost surely, 2^129946310 is an apocalyptic number.

129946310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129946310 is a deficient number, since it is larger than the sum of its proper divisors (125158330).

129946310 is a wasteful number, since it uses less digits than its factorization.

129946310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12752.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 129946310 is about 11399.3995455901. The cubic root of 129946310 is about 506.5099531682.

The spelling of 129946310 in words is "one hundred twenty-nine million, nine hundred forty-six thousand, three hundred ten".