8120034133 has 12 divisors (see below), whose sum is σ = 8614841508. Its totient is φ = 7648780160.

The previous prime is 8120034121. The next prime is 8120034137. The reversal of 8120034133 is 3314300218.

It can be written as a sum of positive squares in 6 ways, for example, as 2048196049 + 6071838084 = 45257^2 + 77922^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8120034133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8120034098 and 8120034107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8120034137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83266 + ... + 152227.

It is an arithmetic number, because the mean of its divisors is an integer number (717903459).

Almost surely, 2^8120034133 is an apocalyptic number.

It is an amenable number.

8120034133 is a deficient number, since it is larger than the sum of its proper divisors (494807375).

8120034133 is a wasteful number, since it uses less digits than its factorization.

8120034133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235592 (or 235563 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 8120034133 is about 90111.2320024535. The cubic root of 8120034133 is about 2009.9532288647.

The spelling of 8120034133 in words is "eight billion, one hundred twenty million, thirty-four thousand, one hundred thirty-three".