2856283139 has 4 divisors (see below), whose sum is σ = 2857715424. Its totient is φ = 2854850856.

The previous prime is 2856283121. The next prime is 2856283159. The reversal of 2856283139 is 9313826582.

2856283139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2856283139 - 2¹² = 2856279043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2856283093 and 2856283102.

It is not an unprimeable number, because it can be changed into a prime (2856283159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713147 + ... + 717140.

It is an arithmetic number, because the mean of its divisors is an integer number (714428856).

Almost surely, 2^2856283139 is an apocalyptic number.

2856283139 is a deficient number, since it is larger than the sum of its proper divisors (1432285).

2856283139 is a wasteful number, since it uses less digits than its factorization.

2856283139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432284.

The product of its digits is 622080, while the sum is 47.

The square root of 2856283139 is about 53444.2058505878. The cubic root of 2856283139 is about 1418.8410730180.

The spelling of 2856283139 in words is "two billion, eight hundred fifty-six million, two hundred eighty-three thousand, one hundred thirty-nine".