129659126674 has 24 divisors (see below), whose sum is σ = 246809397168. Its totient is φ = 50516542440.

The previous prime is 129659126657. The next prime is 129659126687. The reversal of 129659126674 is 476621956921.

It is a super-2 number, since 2×129659126674² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60137664 + ... + 60139819.

It is an arithmetic number, because the mean of its divisors is an integer number (10283724882).

Almost surely, 2^129659126674 is an apocalyptic number.

129659126674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

129659126674 is a deficient number, since it is larger than the sum of its proper divisors (117150270494).

129659126674 is a wasteful number, since it uses less digits than its factorization.

129659126674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120277510 (or 120277503 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 58.

The spelling of 129659126674 in words is "one hundred twenty-nine billion, six hundred fifty-nine million, one hundred twenty-six thousand, six hundred seventy-four".