129950030940 has 48 divisors (see below), whose sum is σ = 363898500000. Its totient is φ = 34649683200.

The previous prime is 129950030929. The next prime is 129950030941. The reversal of 129950030940 is 49030059921.

It is a junction number, because it is equal to n+sod(n) for n = 129950030892 and 129950030901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129950030941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484686 + ... + 703434.

It is an arithmetic number, because the mean of its divisors is an integer number (7581218750).

Almost surely, 2^129950030940 is an apocalyptic number.

129950030940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129950030940 is an abundant number, since it is smaller than the sum of its proper divisors (233948469060).

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

129950030940 is a wasteful number, since it uses less digits than its factorization.

129950030940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228662 (or 228660 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 129950030940 in words is "one hundred twenty-nine billion, nine hundred fifty million, thirty thousand, nine hundred forty".