129860382 has 32 divisors (see below), whose sum is σ = 277035552. Its totient is φ = 40438784.

The previous prime is 129860371. The next prime is 129860429. The reversal of 129860382 is 283068921.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 129860382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9328 + ... + 18620.

It is an arithmetic number, because the mean of its divisors is an integer number (8657361).

Almost surely, 2^129860382 is an apocalyptic number.

129860382 is an abundant number, since it is smaller than the sum of its proper divisors (147175170).

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

129860382 is a wasteful number, since it uses less digits than its factorization.

129860382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9452.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 129860382 is about 11395.6299518719. The cubic root of 129860382 is about 506.3982840125.

The spelling of 129860382 in words is "one hundred twenty-nine million, eight hundred sixty thousand, three hundred eighty-two".