129304350 has 120 divisors (see below), whose sum is σ = 410689488. Its totient is φ = 29548800.

The previous prime is 129304349. The next prime is 129304391. The reversal of 129304350 is 53403921.

129304350 is a `hidden beast` number, since 1 + 2 + 9 + 304 + 350 = 666.

It is a super-2 number, since 2×129304350² = 33439229857845000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 26070 + ... + 30630.

Almost surely, 2^129304350 is an apocalyptic number.

129304350 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 129304350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205344744).

129304350 is an abundant number, since it is smaller than the sum of its proper divisors (281385138).

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

129304350 is a wasteful number, since it uses less digits than its factorization.

129304350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592 (or 4578 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 129304350 is about 11371.2070599387. The cubic root of 129304350 is about 505.6744900355.

The spelling of 129304350 in words is "one hundred twenty-nine million, three hundred four thousand, three hundred fifty".