6120705138 has 16 divisors (see below), whose sum is σ = 12261584640. Its totient is φ = 2036872656.

The previous prime is 6120705137. The next prime is 6120705161. The reversal of 6120705138 is 8315070216.

It is a junction number, because it is equal to n+sod(n) for n = 6120705099 and 6120705108.

It is not an unprimeable number, because it can be changed into a prime (6120705137) 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, 836653 + ... + 843936.

It is an arithmetic number, because the mean of its divisors is an integer number (766349040).

Almost surely, 2^6120705138 is an apocalyptic number.

6120705138 is an abundant number, since it is smaller than the sum of its proper divisors (6140879502).

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

6120705138 is a wasteful number, since it uses less digits than its factorization.

6120705138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681201.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 6120705138 is about 78234.9355339416. The cubic root of 6120705138 is about 1829.2251029602.

The spelling of 6120705138 in words is "six billion, one hundred twenty million, seven hundred five thousand, one hundred thirty-eight".