129349460 has 24 divisors (see below), whose sum is σ = 274275456. Its totient is φ = 51236640.

The previous prime is 129349439. The next prime is 129349471. The reversal of 129349460 is 64943921.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 29336 + ... + 33455.

It is an arithmetic number, because the mean of its divisors is an integer number (11428144).

Almost surely, 2^129349460 is an apocalyptic number.

129349460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129349460 is an abundant number, since it is smaller than the sum of its proper divisors (144925996).

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

129349460 is a wasteful number, since it uses less digits than its factorization.

129349460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62903 (or 62901 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 129349460 is about 11373.1904055107. The cubic root of 129349460 is about 505.7332875523.

The spelling of 129349460 in words is "one hundred twenty-nine million, three hundred forty-nine thousand, four hundred sixty".