6534005140 has 48 divisors (see below), whose sum is σ = 15419392128. Its totient is φ = 2307659904.

The previous prime is 6534005113. The next prime is 6534005213. The reversal of 6534005140 is 415004356.

It is a junction number, because it is equal to n+sod(n) for n = 6534005099 and 6534005108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540342 + ... + 552301.

It is an arithmetic number, because the mean of its divisors is an integer number (321237336).

Almost surely, 2^6534005140 is an apocalyptic number.

It is an amenable number.

6534005140 is an abundant number, since it is smaller than the sum of its proper divisors (8885386988).

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

6534005140 is a wasteful number, since it uses less digits than its factorization.

6534005140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092688 (or 1092686 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 6534005140 is about 80833.1933057206. The cubic root of 6534005140 is about 1869.5043955286.

Adding to 6534005140 its reverse (415004356), we get a palindrome (6949009496).

The spelling of 6534005140 in words is "six billion, five hundred thirty-four million, five thousand, one hundred forty".