129345496 has 48 divisors (see below), whose sum is σ = 283832640. Its totient is φ = 55097280.

The previous prime is 129345487. The next prime is 129345527. The reversal of 129345496 is 694543921.

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 11 ways as a sum of consecutive naturals, for example, 70041 + ... + 71863.

It is an arithmetic number, because the mean of its divisors is an integer number (5913180).

Almost surely, 2^129345496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129345496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141916320).

129345496 is an abundant number, since it is smaller than the sum of its proper divisors (154487144).

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

129345496 is a wasteful number, since it uses less digits than its factorization.

129345496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024 (or 2013 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 129345496 is about 11373.0161346936. The cubic root of 129345496 is about 505.7281213222.

The spelling of 129345496 in words is "one hundred twenty-nine million, three hundred forty-five thousand, four hundred ninety-six".