129682060488 has 72 divisors (see below), whose sum is σ = 367156823670. Its totient is φ = 41347891200.

The previous prime is 129682060441. The next prime is 129682060507. The reversal of 129682060488 is 884060286921.

129682060488 is a `hidden beast` number, since 1 + 2 + 9 + 6 + 8 + 20 + 604 + 8 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 124709272164 + 4972788324 = 353142^2 + 70518^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1664313 + ... + 1740488.

Almost surely, 2^129682060488 is an apocalyptic number.

129682060488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

129682060488 is an abundant number, since it is smaller than the sum of its proper divisors (237474763182).

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

129682060488 is a wasteful number, since it uses less digits than its factorization.

129682060488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404859 (or 3404829 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 129682060488 in words is "one hundred twenty-nine billion, six hundred eighty-two million, sixty thousand, four hundred eighty-eight".