129375416 has 32 divisors (see below), whose sum is σ = 246486240. Its totient is φ = 63654528.

The previous prime is 129375413. The next prime is 129375481. The reversal of 129375416 is 614573921.

It is a self number, because there is not a number n which added to its sum of digits gives 129375416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129375413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161930 + ... + 162726.

It is an arithmetic number, because the mean of its divisors is an integer number (7702695).

Almost surely, 2^129375416 is an apocalyptic number.

It is an amenable number.

129375416 is a deficient number, since it is larger than the sum of its proper divisors (117110824).

129375416 is a wasteful number, since it uses less digits than its factorization.

129375416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103 (or 1099 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 129375416 is about 11374.3314528811. The cubic root of 129375416 is about 505.7671130647.

The spelling of 129375416 in words is "one hundred twenty-nine million, three hundred seventy-five thousand, four hundred sixteen".