8129145032 has 36 divisors (see below), whose sum is σ = 15424560315. Its totient is φ = 4016502000.

The previous prime is 8129145029. The next prime is 8129145061. The reversal of 8129145032 is 2305419218.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 4064572516 + 4064572516 = 63754^2 + 63754^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=63754.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8129144983 and 8129145001.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 32386907 + ... + 32387157.

Almost surely, 2^8129145032 is an apocalyptic number.

It is an amenable number.

8129145032 is a deficient number, since it is larger than the sum of its proper divisors (7295415283).

8129145032 is an equidigital number, since it uses as much as digits as its factorization.

8129145032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 8129145032 is about 90161.7714555343. The cubic root of 8129145032 is about 2010.7046885998.

The spelling of 8129145032 in words is "eight billion, one hundred twenty-nine million, one hundred forty-five thousand, thirty-two".