129160269492 has 24 divisors (see below), whose sum is σ = 303746989056. Its totient is φ = 42714419328.

The previous prime is 129160269481. The next prime is 129160269523. The reversal of 129160269492 is 294962061921.

It is a congruent number.

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, 42373893 + ... + 42376940.

It is an arithmetic number, because the mean of its divisors is an integer number (12656124544).

Almost surely, 2^129160269492 is an apocalyptic number.

129160269492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129160269492 is an abundant number, since it is smaller than the sum of its proper divisors (174586719564).

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

129160269492 is a wasteful number, since it uses less digits than its factorization.

129160269492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84750967 (or 84750965 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 129160269492 in words is "one hundred twenty-nine billion, one hundred sixty million, two hundred sixty-nine thousand, four hundred ninety-two".