129830493 has 8 divisors (see below), whose sum is σ = 186423328. Its totient is φ = 79895664.

The previous prime is 129830473. The next prime is 129830527. The reversal of 129830493 is 394038921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 129830493 - 2⁵ = 129830461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3328987 = 129830493 / (1 + 2 + 9 + 8 + 3 + 0 + 4 + 9 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129830413) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1664455 + ... + 1664532.

It is an arithmetic number, because the mean of its divisors is an integer number (23302916).

Almost surely, 2^129830493 is an apocalyptic number.

129830493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

129830493 is a deficient number, since it is larger than the sum of its proper divisors (56592835).

129830493 is a wasteful number, since it uses less digits than its factorization.

129830493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329003.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 129830493 is about 11394.3184526324. The cubic root of 129830493 is about 506.3594297203.

The spelling of 129830493 in words is "one hundred twenty-nine million, eight hundred thirty thousand, four hundred ninety-three".