8010139205 has 8 divisors (see below), whose sum is σ = 9613481112. Its totient is φ = 6407235328.

The previous prime is 8010139147. The next prime is 8010139243. The reversal of 8010139205 is 5029310108.

It can be written as a sum of positive squares in 4 ways, for example, as 219958561 + 7790180644 = 14831^2 + 88262^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8010139205 - 2⁶ = 8010139141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67832 + ... + 143601.

It is an arithmetic number, because the mean of its divisors is an integer number (1201685139).

Almost surely, 2^8010139205 is an apocalyptic number.

It is an amenable number.

8010139205 is a deficient number, since it is larger than the sum of its proper divisors (1603341907).

8010139205 is a wasteful number, since it uses less digits than its factorization.

8010139205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219015.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 8010139205 is about 89499.3810313792. The cubic root of 8010139205 is about 2000.8445770446.

The spelling of 8010139205 in words is "eight billion, ten million, one hundred thirty-nine thousand, two hundred five".