129340961092 has 24 divisors (see below), whose sum is σ = 258698081600. Its totient is φ = 55428377760.

The previous prime is 129340961083. The next prime is 129340961131. The reversal of 129340961092 is 290169043921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340534 + ... + 612082.

Almost surely, 2^129340961092 is an apocalyptic number.

It is an amenable number.

129340961092 is an abundant number, since it is smaller than the sum of its proper divisors (129357120508).

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

129340961092 is a wasteful number, since it uses less digits than its factorization.

129340961092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288571 (or 288569 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 129340961092 in words is "one hundred twenty-nine billion, three hundred forty million, nine hundred sixty-one thousand, ninety-two".