129460830 has 16 divisors (see below), whose sum is σ = 310706064. Its totient is φ = 34522880.

The previous prime is 129460829. The next prime is 129460841. The reversal of 129460830 is 38064921.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 129460791 and 129460800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2157651 + ... + 2157710.

It is an arithmetic number, because the mean of its divisors is an integer number (19419129).

Almost surely, 2^129460830 is an apocalyptic number.

129460830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129460830 is an abundant number, since it is smaller than the sum of its proper divisors (181245234).

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

129460830 is a wasteful number, since it uses less digits than its factorization.

129460830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315371.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 129460830 is about 11378.0855155865. The cubic root of 129460830 is about 505.8783915187.

The spelling of 129460830 in words is "one hundred twenty-nine million, four hundred sixty thousand, eight hundred thirty".