129751867466 has 32 divisors (see below), whose sum is σ = 221708309760. Its totient is φ = 56497060224.

The previous prime is 129751867463. The next prime is 129751867493. The reversal of 129751867466 is 664768157921.

It is a super-3 number, since 3×129751867466³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 129751867399 and 129751867408.

It is not an unprimeable number, because it can be changed into a prime (129751867463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1442486 + ... + 1529793.

It is an arithmetic number, because the mean of its divisors is an integer number (6928384680).

Almost surely, 2^129751867466 is an apocalyptic number.

129751867466 is a deficient number, since it is larger than the sum of its proper divisors (91956442294).

129751867466 is a wasteful number, since it uses less digits than its factorization.

129751867466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972390.

The product of its digits is 30481920, while the sum is 62.

The spelling of 129751867466 in words is "one hundred twenty-nine billion, seven hundred fifty-one million, eight hundred sixty-seven thousand, four hundred sixty-six".