129713375930 has 16 divisors (see below), whose sum is σ = 235051086600. Its totient is φ = 51537125952.

The previous prime is 129713375923. The next prime is 129713375963. The reversal of 129713375930 is 39573317921.

It can be written as a sum of positive squares in 4 ways, for example, as 54103225201 + 75610150729 = 232601^2 + 274973^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43526489 + ... + 43529468.

Almost surely, 2^129713375930 is an apocalyptic number.

129713375930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129713375930 is a deficient number, since it is larger than the sum of its proper divisors (105337710670).

129713375930 is a wasteful number, since it uses less digits than its factorization.

129713375930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87056113.

The product of its (nonzero) digits is 1071630, while the sum is 50.

The spelling of 129713375930 in words is "one hundred twenty-nine billion, seven hundred thirteen million, three hundred seventy-five thousand, nine hundred thirty".