129954768 has 20 divisors (see below), whose sum is σ = 335716608. Its totient is φ = 43318240.

The previous prime is 129954743. The next prime is 129954823. The reversal of 129954768 is 867459921.

It is a self number, because there is not a number n which added to its sum of digits gives 129954768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353648 + ... + 1353743.

Almost surely, 2^129954768 is an apocalyptic number.

It is an amenable number.

129954768 is an abundant number, since it is smaller than the sum of its proper divisors (205761840).

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

129954768 is a wasteful number, since it uses less digits than its factorization.

129954768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707402 (or 2707396 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 129954768 is about 11399.7705240062. The cubic root of 129954768 is about 506.5209422406.

The spelling of 129954768 in words is "one hundred twenty-nine million, nine hundred fifty-four thousand, seven hundred sixty-eight".