129847036 has 48 divisors (see below), whose sum is σ = 258864480. Its totient is φ = 56986160.

The previous prime is 129847021. The next prime is 129847051. The reversal of 129847036 is 630748921.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

129847036 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (129847021) and next prime (129847051).

129847036 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 129847036.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4477470 + ... + 4477498.

It is an arithmetic number, because the mean of its divisors is an integer number (5393010).

Almost surely, 2^129847036 is an apocalyptic number.

It is an amenable number.

129847036 is a deficient number, since it is larger than the sum of its proper divisors (129017444).

129847036 is an frugal number, since it uses more digits than its factorization.

129847036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 129847036 is about 11395.0443614757. The cubic root of 129847036 is about 506.3809355779.

The spelling of 129847036 in words is "one hundred twenty-nine million, eight hundred forty-seven thousand, thirty-six".