129982416 has 20 divisors (see below), whose sum is σ = 335788032. Its totient is φ = 43327456.

The previous prime is 129982403. The next prime is 129982417. The reversal of 129982416 is 614289921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129982417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353936 + ... + 1354031.

Almost surely, 2^129982416 is an apocalyptic number.

129982416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

129982416 is an abundant number, since it is smaller than the sum of its proper divisors (205805616).

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

129982416 is a wasteful number, since it uses less digits than its factorization.

129982416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707978 (or 2707972 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 129982416 is about 11400.9831155037. The cubic root of 129982416 is about 506.5568606303.

The spelling of 129982416 in words is "one hundred twenty-nine million, nine hundred eighty-two thousand, four hundred sixteen".