129875345 has 8 divisors (see below), whose sum is σ = 156972480. Its totient is φ = 103152240.

The previous prime is 129875323. The next prime is 129875357. The reversal of 129875345 is 543578921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 129875345 - 2¹⁴ = 129858961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 129875296 and 129875305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92741 + ... + 94130.

It is an arithmetic number, because the mean of its divisors is an integer number (19621560).

Almost surely, 2^129875345 is an apocalyptic number.

It is an amenable number.

129875345 is a deficient number, since it is larger than the sum of its proper divisors (27097135).

129875345 is a wasteful number, since it uses less digits than its factorization.

129875345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187015.

The product of its digits is 302400, while the sum is 44.

The square root of 129875345 is about 11396.2864565612. The cubic root of 129875345 is about 506.4177329683.

The spelling of 129875345 in words is "one hundred twenty-nine million, eight hundred seventy-five thousand, three hundred forty-five".