9120345534 has 48 divisors (see below), whose sum is σ = 20863889280. Its totient is φ = 2871372240.

The previous prime is 9120345527. The next prime is 9120345539. The reversal of 9120345534 is 4355430219.

9120345534 is a `hidden beast` number, since 91 + 2 + 0 + 34 + 5 + 534 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9120345539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72919 + ... + 153485.

It is an arithmetic number, because the mean of its divisors is an integer number (434664360).

Almost surely, 2^9120345534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9120345534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10431944640).

9120345534 is an abundant number, since it is smaller than the sum of its proper divisors (11743543746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9120345534 is a wasteful number, since it uses less digits than its factorization.

9120345534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80925 (or 80922 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 9120345534 is about 95500.5001767006. The cubic root of 9120345534 is about 2089.3142392759.

The spelling of 9120345534 in words is "nine billion, one hundred twenty million, three hundred forty-five thousand, five hundred thirty-four".