129325537 has 8 divisors (see below), whose sum is σ = 142783200. Its totient is φ = 116151360.

The previous prime is 129325519. The next prime is 129325561. The reversal of 129325537 is 735523921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129325537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129325496 and 129325505.

It is not an unprimeable number, because it can be changed into a prime (129325517) 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, 69912 + ... + 71737.

It is an arithmetic number, because the mean of its divisors is an integer number (17847900).

Almost surely, 2^129325537 is an apocalyptic number.

It is an amenable number.

129325537 is a deficient number, since it is larger than the sum of its proper divisors (13457663).

129325537 is a wasteful number, since it uses less digits than its factorization.

129325537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141743.

The product of its digits is 56700, while the sum is 37.

The square root of 129325537 is about 11372.1386291234. The cubic root of 129325537 is about 505.7021074108.

The spelling of 129325537 in words is "one hundred twenty-nine million, three hundred twenty-five thousand, five hundred thirty-seven".